164008910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{40697}}^1$

素因数の和:40748

約数の個数: 32

約数和(自身を含む): 328188672

約数和(自身を除く): 164179762

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 40697, 81394, 203485, 406970, 529061, 1058122, 1261607, 2523214, 2645305, 5290610, 6308035, 12616070, 16400891, 32801782, 82004455, 164008910]

約数ペア:

[(1, 164008910), (2, 82004455), (5, 32801782), (10, 16400891), (13, 12616070), (26, 6308035), (31, 5290610), (62, 2645305), (65, 2523214), (130, 1261607), (155, 1058122), (310, 529061), (403, 406970), (806, 203485), (2015, 81394), (4030, 40697)]