165468680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{318209}}^1$

素因数の和:318233

約数の個数: 32

約数和(自身を含む): 400944600

約数和(自身を除く): 235475920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 318209, 636418, 1272836, 1591045, 2545672, 3182090, 4136717, 6364180, 8273434, 12728360, 16546868, 20683585, 33093736, 41367170, 82734340, 165468680]

約数ペア:

[(1, 165468680), (2, 82734340), (4, 41367170), (5, 33093736), (8, 20683585), (10, 16546868), (13, 12728360), (20, 8273434), (26, 6364180), (40, 4136717), (52, 3182090), (65, 2545672), (104, 1591045), (130, 1272836), (260, 636418), (520, 318209)]