56171960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108023}}^1$

素因数の和:108047

約数の個数: 32

約数和(自身を含む): 136110240

約数和(自身を除く): 79938280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 108023, 216046, 432092, 540115, 864184, 1080230, 1404299, 2160460, 2808598, 4320920, 5617196, 7021495, 11234392, 14042990, 28085980, 56171960]

約数ペア:

[(1, 56171960), (2, 28085980), (4, 14042990), (5, 11234392), (8, 7021495), (10, 5617196), (13, 4320920), (20, 2808598), (26, 2160460), (40, 1404299), (52, 1080230), (65, 864184), (104, 540115), (130, 432092), (260, 216046), (520, 108023)]