69978640

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{7741}}^1$

素因数の和:7867

約数の個数: 40

約数和(自身を含む): 164161368

約数和(自身を除く): 94182728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 7741, 9040, 15482, 30964, 38705, 61928, 77410, 123856, 154820, 309640, 619280, 874733, 1749466, 3498932, 4373665, 6997864, 8747330, 13995728, 17494660, 34989320, 69978640]

約数ペア:

[(1, 69978640), (2, 34989320), (4, 17494660), (5, 13995728), (8, 8747330), (10, 6997864), (16, 4373665), (20, 3498932), (40, 1749466), (80, 874733), (113, 619280), (226, 309640), (452, 154820), (565, 123856), (904, 77410), (1130, 61928), (1808, 38705), (2260, 30964), (4520, 15482), (7741, 9040)]