4961240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4001}}^1$

素因数の和:4043

約数の個数: 32

約数和(自身を含む): 11525760

約数和(自身を除く): 6564520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 4001, 8002, 16004, 20005, 32008, 40010, 80020, 124031, 160040, 248062, 496124, 620155, 992248, 1240310, 2480620, 4961240]

約数ペア:

[(1, 4961240), (2, 2480620), (4, 1240310), (5, 992248), (8, 620155), (10, 496124), (20, 248062), (31, 160040), (40, 124031), (62, 80020), (124, 40010), (155, 32008), (248, 20005), (310, 16004), (620, 8002), (1240, 4001)]