85403920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8971}}^1$

素因数の和:9008

約数の個数: 80

約数和(自身を含む): 240306048

約数和(自身を除く): 154902128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 8971, 9520, 17942, 35884, 44855, 62797, 71768, 89710, 125594, 143536, 152507, 179420, 251188, 305014, 313985, 358840, 502376, 610028, 627970, 717680, 762535, 1004752, 1067549, 1220056, 1255940, 1525070, 2135098, 2440112, 2511880, 3050140, 4270196, 5023760, 5337745, 6100280, 8540392, 10675490, 12200560, 17080784, 21350980, 42701960, 85403920]

約数ペア:

[(1, 85403920), (2, 42701960), (4, 21350980), (5, 17080784), (7, 12200560), (8, 10675490), (10, 8540392), (14, 6100280), (16, 5337745), (17, 5023760), (20, 4270196), (28, 3050140), (34, 2511880), (35, 2440112), (40, 2135098), (56, 1525070), (68, 1255940), (70, 1220056), (80, 1067549), (85, 1004752), (112, 762535), (119, 717680), (136, 627970), (140, 610028), (170, 502376), (238, 358840), (272, 313985), (280, 305014), (340, 251188), (476, 179420), (560, 152507), (595, 143536), (680, 125594), (952, 89710), (1190, 71768), (1360, 62797), (1904, 44855), (2380, 35884), (4760, 17942), (8971, 9520)]