87466840

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{22543}}^1$

素因数の和:22651

約数の個数: 32

約数和(自身を含む): 198838080

約数和(自身を除く): 111371240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 22543, 45086, 90172, 112715, 180344, 225430, 450860, 901720, 2186671, 4373342, 8746684, 10933355, 17493368, 21866710, 43733420, 87466840]

約数ペア:

[(1, 87466840), (2, 43733420), (4, 21866710), (5, 17493368), (8, 10933355), (10, 8746684), (20, 4373342), (40, 2186671), (97, 901720), (194, 450860), (388, 225430), (485, 180344), (776, 112715), (970, 90172), (1940, 45086), (3880, 22543)]