200080840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{70451}}^1$

素因数の和:70533

約数の個数: 32

約数和(自身を含む): 456528960

約数和(自身を除く): 256448120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 70451, 140902, 281804, 352255, 563608, 704510, 1409020, 2818040, 5002021, 10004042, 20008084, 25010105, 40016168, 50020210, 100040420, 200080840]

約数ペア:

[(1, 200080840), (2, 100040420), (4, 50020210), (5, 40016168), (8, 25010105), (10, 20008084), (20, 10004042), (40, 5002021), (71, 2818040), (142, 1409020), (284, 704510), (355, 563608), (568, 352255), (710, 281804), (1420, 140902), (2840, 70451)]