153840880

素因数分解:

$2^4\times 5^1\times {\mathrm{521}}^1\times {\mathrm{3691}}^1$

素因数の和:4225

約数の個数: 40

約数和(自身を含む): 358463664

約数和(自身を除く): 204622784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 521, 1042, 2084, 2605, 3691, 4168, 5210, 7382, 8336, 10420, 14764, 18455, 20840, 29528, 36910, 41680, 59056, 73820, 147640, 295280, 1923011, 3846022, 7692044, 9615055, 15384088, 19230110, 30768176, 38460220, 76920440, 153840880]

約数ペア:

[(1, 153840880), (2, 76920440), (4, 38460220), (5, 30768176), (8, 19230110), (10, 15384088), (16, 9615055), (20, 7692044), (40, 3846022), (80, 1923011), (521, 295280), (1042, 147640), (2084, 73820), (2605, 59056), (3691, 41680), (4168, 36910), (5210, 29528), (7382, 20840), (8336, 18455), (10420, 14764)]