128153240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139297}}^1$

素因数の和:139331

約数の個数: 32

約数和(自身を含む): 300883680

約数和(自身を除く): 172730440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 139297, 278594, 557188, 696485, 1114376, 1392970, 2785940, 3203831, 5571880, 6407662, 12815324, 16019155, 25630648, 32038310, 64076620, 128153240]

約数ペア:

[(1, 128153240), (2, 64076620), (4, 32038310), (5, 25630648), (8, 16019155), (10, 12815324), (20, 6407662), (23, 5571880), (40, 3203831), (46, 2785940), (92, 1392970), (115, 1114376), (184, 696485), (230, 557188), (460, 278594), (920, 139297)]