813566480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{328051}}^1$

素因数の和:328095

約数の個数: 40

約数和(自身を含む): 1952565504

約数和(自身を除く): 1138999024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 328051, 656102, 1312204, 1640255, 2624408, 3280510, 5248816, 6561020, 10169581, 13122040, 20339162, 26244080, 40678324, 50847905, 81356648, 101695810, 162713296, 203391620, 406783240, 813566480]

約数ペア:

[(1, 813566480), (2, 406783240), (4, 203391620), (5, 162713296), (8, 101695810), (10, 81356648), (16, 50847905), (20, 40678324), (31, 26244080), (40, 20339162), (62, 13122040), (80, 10169581), (124, 6561020), (155, 5248816), (248, 3280510), (310, 2624408), (496, 1640255), (620, 1312204), (1240, 656102), (2480, 328051)]