25835920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 70354872

約数和(自身を除く): 44518952

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 121, 136, 157, 170, 176, 187, 220, 242, 272, 314, 340, 374, 440, 484, 605, 628, 680, 748, 785, 880, 935, 968, 1210, 1256, 1360, 1496, 1570, 1727, 1870, 1936, 2057, 2420, 2512, 2669, 2992, 3140, 3454, 3740, 4114, 4840, 5338, 6280, 6908, 7480, 8228, 8635, 9680, 10285, 10676, 12560, 13345, 13816, 14960, 16456, 17270, 18997, 20570, 21352, 26690, 27632, 29359, 32912, 34540, 37994, 41140, 42704, 53380, 58718, 69080, 75988, 82280, 94985, 106760, 117436, 138160, 146795, 151976, 164560, 189970, 213520, 234872, 293590, 303952, 322949, 379940, 469744, 587180, 645898, 759880, 1174360, 1291796, 1519760, 1614745, 2348720, 2583592, 3229490, 5167184, 6458980, 12917960, 25835920]

約数ペア:

[(1, 25835920), (2, 12917960), (4, 6458980), (5, 5167184), (8, 3229490), (10, 2583592), (11, 2348720), (16, 1614745), (17, 1519760), (20, 1291796), (22, 1174360), (34, 759880), (40, 645898), (44, 587180), (55, 469744), (68, 379940), (80, 322949), (85, 303952), (88, 293590), (110, 234872), (121, 213520), (136, 189970), (157, 164560), (170, 151976), (176, 146795), (187, 138160), (220, 117436), (242, 106760), (272, 94985), (314, 82280), (340, 75988), (374, 69080), (440, 58718), (484, 53380), (605, 42704), (628, 41140), (680, 37994), (748, 34540), (785, 32912), (880, 29359), (935, 27632), (968, 26690), (1210, 21352), (1256, 20570), (1360, 18997), (1496, 17270), (1570, 16456), (1727, 14960), (1870, 13816), (1936, 13345), (2057, 12560), (2420, 10676), (2512, 10285), (2669, 9680), (2992, 8635), (3140, 8228), (3454, 7480), (3740, 6908), (4114, 6280), (4840, 5338)]