156393640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{300757}}^1$

素因数の和:300781

約数の個数: 32

約数和(自身を含む): 378955080

約数和(自身を除く): 222561440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 300757, 601514, 1203028, 1503785, 2406056, 3007570, 3909841, 6015140, 7819682, 12030280, 15639364, 19549205, 31278728, 39098410, 78196820, 156393640]

約数ペア:

[(1, 156393640), (2, 78196820), (4, 39098410), (5, 31278728), (8, 19549205), (10, 15639364), (13, 12030280), (20, 7819682), (26, 6015140), (40, 3909841), (52, 3007570), (65, 2406056), (104, 1503785), (130, 1203028), (260, 601514), (520, 300757)]