25791920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:163

約数の個数: 160

約数和(自身を含む): 77137920

約数和(自身を除く): 51346000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 53, 55, 56, 70, 77, 79, 80, 88, 106, 110, 112, 140, 154, 158, 176, 212, 220, 265, 280, 308, 316, 371, 385, 395, 424, 440, 530, 553, 560, 583, 616, 632, 742, 770, 790, 848, 869, 880, 1060, 1106, 1166, 1232, 1264, 1484, 1540, 1580, 1738, 1855, 2120, 2212, 2332, 2765, 2915, 2968, 3080, 3160, 3476, 3710, 4081, 4187, 4240, 4345, 4424, 4664, 5530, 5830, 5936, 6083, 6160, 6320, 6952, 7420, 8162, 8374, 8690, 8848, 9328, 11060, 11660, 12166, 13904, 14840, 16324, 16748, 17380, 20405, 20935, 22120, 23320, 24332, 29309, 29680, 30415, 32648, 33496, 34760, 40810, 41870, 44240, 46057, 46640, 48664, 58618, 60830, 65296, 66992, 69520, 81620, 83740, 92114, 97328, 117236, 121660, 146545, 163240, 167480, 184228, 230285, 234472, 243320, 293090, 322399, 326480, 334960, 368456, 460570, 468944, 486640, 586180, 644798, 736912, 921140, 1172360, 1289596, 1611995, 1842280, 2344720, 2579192, 3223990, 3684560, 5158384, 6447980, 12895960, 25791920]

約数ペア:

[(1, 25791920), (2, 12895960), (4, 6447980), (5, 5158384), (7, 3684560), (8, 3223990), (10, 2579192), (11, 2344720), (14, 1842280), (16, 1611995), (20, 1289596), (22, 1172360), (28, 921140), (35, 736912), (40, 644798), (44, 586180), (53, 486640), (55, 468944), (56, 460570), (70, 368456), (77, 334960), (79, 326480), (80, 322399), (88, 293090), (106, 243320), (110, 234472), (112, 230285), (140, 184228), (154, 167480), (158, 163240), (176, 146545), (212, 121660), (220, 117236), (265, 97328), (280, 92114), (308, 83740), (316, 81620), (371, 69520), (385, 66992), (395, 65296), (424, 60830), (440, 58618), (530, 48664), (553, 46640), (560, 46057), (583, 44240), (616, 41870), (632, 40810), (742, 34760), (770, 33496), (790, 32648), (848, 30415), (869, 29680), (880, 29309), (1060, 24332), (1106, 23320), (1166, 22120), (1232, 20935), (1264, 20405), (1484, 17380), (1540, 16748), (1580, 16324), (1738, 14840), (1855, 13904), (2120, 12166), (2212, 11660), (2332, 11060), (2765, 9328), (2915, 8848), (2968, 8690), (3080, 8374), (3160, 8162), (3476, 7420), (3710, 6952), (4081, 6320), (4187, 6160), (4240, 6083), (4345, 5936), (4424, 5830), (4664, 5530)]