89156840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131113}}^1$

素因数の和:131141

約数の個数: 32

約数和(自身を含む): 212404680

約数和(自身を除く): 123247840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 131113, 262226, 524452, 655565, 1048904, 1311130, 2228921, 2622260, 4457842, 5244520, 8915684, 11144605, 17831368, 22289210, 44578420, 89156840]

約数ペア:

[(1, 89156840), (2, 44578420), (4, 22289210), (5, 17831368), (8, 11144605), (10, 8915684), (17, 5244520), (20, 4457842), (34, 2622260), (40, 2228921), (68, 1311130), (85, 1048904), (136, 655565), (170, 524452), (340, 262226), (680, 131113)]