253662280

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{9623}}^1$

素因数の和:10293

約数の個数: 32

約数和(自身を含む): 571665600

約数和(自身を除く): 318003320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 3295, 5272, 6590, 9623, 13180, 19246, 26360, 38492, 48115, 76984, 96230, 192460, 384920, 6341557, 12683114, 25366228, 31707785, 50732456, 63415570, 126831140, 253662280]

約数ペア:

[(1, 253662280), (2, 126831140), (4, 63415570), (5, 50732456), (8, 31707785), (10, 25366228), (20, 12683114), (40, 6341557), (659, 384920), (1318, 192460), (2636, 96230), (3295, 76984), (5272, 48115), (6590, 38492), (9623, 26360), (13180, 19246)]