817160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 1900800

約数和(自身を除く): 1083640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 659, 1240, 1318, 2636, 3295, 5272, 6590, 13180, 20429, 26360, 40858, 81716, 102145, 163432, 204290, 408580, 817160]

約数ペア:

[(1, 817160), (2, 408580), (4, 204290), (5, 163432), (8, 102145), (10, 81716), (20, 40858), (31, 26360), (40, 20429), (62, 13180), (124, 6590), (155, 5272), (248, 3295), (310, 2636), (620, 1318), (659, 1240)]