85673240

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{4111}}^1$

素因数の和:4643

約数の個数: 32

約数和(自身を含む): 193181760

約数和(自身を除く): 107508520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4111, 4168, 5210, 8222, 10420, 16444, 20555, 20840, 32888, 41110, 82220, 164440, 2141831, 4283662, 8567324, 10709155, 17134648, 21418310, 42836620, 85673240]

約数ペア:

[(1, 85673240), (2, 42836620), (4, 21418310), (5, 17134648), (8, 10709155), (10, 8567324), (20, 4283662), (40, 2141831), (521, 164440), (1042, 82220), (2084, 41110), (2605, 32888), (4111, 20840), (4168, 20555), (5210, 16444), (8222, 10420)]