25456960

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 112

約数和(自身を含む): 65836800

約数和(自身を除く): 40379840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 64, 76, 79, 80, 95, 106, 152, 158, 160, 190, 212, 265, 304, 316, 320, 380, 395, 424, 530, 608, 632, 760, 790, 848, 1007, 1060, 1216, 1264, 1501, 1520, 1580, 1696, 2014, 2120, 2528, 3002, 3040, 3160, 3392, 4028, 4187, 4240, 5035, 5056, 6004, 6080, 6320, 7505, 8056, 8374, 8480, 10070, 12008, 12640, 15010, 16112, 16748, 16960, 20140, 20935, 24016, 25280, 30020, 32224, 33496, 40280, 41870, 48032, 60040, 64448, 66992, 79553, 80560, 83740, 96064, 120080, 133984, 159106, 161120, 167480, 240160, 267968, 318212, 322240, 334960, 397765, 480320, 636424, 669920, 795530, 1272848, 1339840, 1591060, 2545696, 3182120, 5091392, 6364240, 12728480, 25456960]

約数ペア:

[(1, 25456960), (2, 12728480), (4, 6364240), (5, 5091392), (8, 3182120), (10, 2545696), (16, 1591060), (19, 1339840), (20, 1272848), (32, 795530), (38, 669920), (40, 636424), (53, 480320), (64, 397765), (76, 334960), (79, 322240), (80, 318212), (95, 267968), (106, 240160), (152, 167480), (158, 161120), (160, 159106), (190, 133984), (212, 120080), (265, 96064), (304, 83740), (316, 80560), (320, 79553), (380, 66992), (395, 64448), (424, 60040), (530, 48032), (608, 41870), (632, 40280), (760, 33496), (790, 32224), (848, 30020), (1007, 25280), (1060, 24016), (1216, 20935), (1264, 20140), (1501, 16960), (1520, 16748), (1580, 16112), (1696, 15010), (2014, 12640), (2120, 12008), (2528, 10070), (3002, 8480), (3040, 8374), (3160, 8056), (3392, 7505), (4028, 6320), (4187, 6080), (4240, 6004), (5035, 5056)]