395305160

素因数分解:

$2^3\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{9421}}^1$

素因数の和:10481

約数の個数: 32

約数和(自身を含む): 890379000

約数和(自身を除く): 495073840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1049, 2098, 4196, 5245, 8392, 9421, 10490, 18842, 20980, 37684, 41960, 47105, 75368, 94210, 188420, 376840, 9882629, 19765258, 39530516, 49413145, 79061032, 98826290, 197652580, 395305160]

約数ペア:

[(1, 395305160), (2, 197652580), (4, 98826290), (5, 79061032), (8, 49413145), (10, 39530516), (20, 19765258), (40, 9882629), (1049, 376840), (2098, 188420), (4196, 94210), (5245, 75368), (8392, 47105), (9421, 41960), (10490, 37684), (18842, 20980)]