90300640

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7949}}^1$

素因数の和:8035

約数の個数: 48

約数和(自身を含む): 216367200

約数和(自身を除く): 126066560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 7949, 11360, 15898, 31796, 39745, 63592, 79490, 127184, 158980, 254368, 317960, 564379, 635920, 1128758, 1271840, 2257516, 2821895, 4515032, 5643790, 9030064, 11287580, 18060128, 22575160, 45150320, 90300640]

約数ペア:

[(1, 90300640), (2, 45150320), (4, 22575160), (5, 18060128), (8, 11287580), (10, 9030064), (16, 5643790), (20, 4515032), (32, 2821895), (40, 2257516), (71, 1271840), (80, 1128758), (142, 635920), (160, 564379), (284, 317960), (355, 254368), (568, 158980), (710, 127184), (1136, 79490), (1420, 63592), (2272, 39745), (2840, 31796), (5680, 15898), (7949, 11360)]