159702920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307121}}^1$

素因数の和:307145

約数の個数: 32

約数和(自身を含む): 386973720

約数和(自身を除く): 227270800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 307121, 614242, 1228484, 1535605, 2456968, 3071210, 3992573, 6142420, 7985146, 12284840, 15970292, 19962865, 31940584, 39925730, 79851460, 159702920]

約数ペア:

[(1, 159702920), (2, 79851460), (4, 39925730), (5, 31940584), (8, 19962865), (10, 15970292), (13, 12284840), (20, 7985146), (26, 6142420), (40, 3992573), (52, 3071210), (65, 2456968), (104, 1535605), (130, 1228484), (260, 614242), (520, 307121)]