858892040

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{64871}}^1$

素因数の和:65213

約数の個数: 32

約数和(自身を含む): 1938375360

約数和(自身を除く): 1079483320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 13240, 64871, 129742, 259484, 324355, 518968, 648710, 1297420, 2594840, 21472301, 42944602, 85889204, 107361505, 171778408, 214723010, 429446020, 858892040]

約数ペア:

[(1, 858892040), (2, 429446020), (4, 214723010), (5, 171778408), (8, 107361505), (10, 85889204), (20, 42944602), (40, 21472301), (331, 2594840), (662, 1297420), (1324, 648710), (1655, 518968), (2648, 324355), (3310, 259484), (6620, 129742), (13240, 64871)]