904040440

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{68281}}^1$

素因数の和:68623

約数の個数: 32

約数和(自身を含む): 2040266160

約数和(自身を除く): 1136225720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 13240, 68281, 136562, 273124, 341405, 546248, 682810, 1365620, 2731240, 22601011, 45202022, 90404044, 113005055, 180808088, 226010110, 452020220, 904040440]

約数ペア:

[(1, 904040440), (2, 452020220), (4, 226010110), (5, 180808088), (8, 113005055), (10, 90404044), (20, 45202022), (40, 22601011), (331, 2731240), (662, 1365620), (1324, 682810), (1655, 546248), (2648, 341405), (3310, 273124), (6620, 136562), (13240, 68281)]