331289680

素因数分解:

$2^4\times 5^1\times {\mathrm{4141121}}^1$

素因数の和:4141134

約数の個数: 20

約数和(自身を含む): 770248692

約数和(自身を除く): 438959012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4141121, 8282242, 16564484, 20705605, 33128968, 41411210, 66257936, 82822420, 165644840, 331289680]

約数ペア:

[(1, 331289680), (2, 165644840), (4, 82822420), (5, 66257936), (8, 41411210), (10, 33128968), (16, 20705605), (20, 16564484), (40, 8282242), (80, 4141121)]