128499080

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{28429}}^1$

素因数の和:28553

約数の個数: 32

約数和(自身を含む): 291691800

約数和(自身を除く): 163192720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 28429, 56858, 113716, 142145, 227432, 284290, 568580, 1137160, 3212477, 6424954, 12849908, 16062385, 25699816, 32124770, 64249540, 128499080]

約数ペア:

[(1, 128499080), (2, 64249540), (4, 32124770), (5, 25699816), (8, 16062385), (10, 12849908), (20, 6424954), (40, 3212477), (113, 1137160), (226, 568580), (452, 284290), (565, 227432), (904, 142145), (1130, 113716), (2260, 56858), (4520, 28429)]