56987720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{26881}}^1$

素因数の和:26945

約数の個数: 32

約数和(自身を含む): 130646520

約数和(自身を除く): 73658800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 26881, 53762, 107524, 134405, 215048, 268810, 537620, 1075240, 1424693, 2849386, 5698772, 7123465, 11397544, 14246930, 28493860, 56987720]

約数ペア:

[(1, 56987720), (2, 28493860), (4, 14246930), (5, 11397544), (8, 7123465), (10, 5698772), (20, 2849386), (40, 1424693), (53, 1075240), (106, 537620), (212, 268810), (265, 215048), (424, 134405), (530, 107524), (1060, 53762), (2120, 26881)]