8461960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16273}}^1$

素因数の和:16297

約数の個数: 32

約数和(自身を含む): 20505240

約数和(自身を除く): 12043280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16273, 32546, 65092, 81365, 130184, 162730, 211549, 325460, 423098, 650920, 846196, 1057745, 1692392, 2115490, 4230980, 8461960]

約数ペア:

[(1, 8461960), (2, 4230980), (4, 2115490), (5, 1692392), (8, 1057745), (10, 846196), (13, 650920), (20, 423098), (26, 325460), (40, 211549), (52, 162730), (65, 130184), (104, 81365), (130, 65092), (260, 32546), (520, 16273)]