127998520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{246151}}^1$

素因数の和:246175

約数の個数: 32

約数和(自身を含む): 310151520

約数和(自身を除く): 182153000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 246151, 492302, 984604, 1230755, 1969208, 2461510, 3199963, 4923020, 6399926, 9846040, 12799852, 15999815, 25599704, 31999630, 63999260, 127998520]

約数ペア:

[(1, 127998520), (2, 63999260), (4, 31999630), (5, 25599704), (8, 15999815), (10, 12799852), (13, 9846040), (20, 6399926), (26, 4923020), (40, 3199963), (52, 2461510), (65, 1969208), (104, 1230755), (130, 984604), (260, 492302), (520, 246151)]