128445850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{197609}}^1$

素因数の和:197634

約数の個数: 24

約数和(自身を含む): 257288220

約数和(自身を除く): 128842370

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 197609, 395218, 988045, 1976090, 2568917, 4940225, 5137834, 9880450, 12844585, 25689170, 64222925, 128445850]

約数ペア:

[(1, 128445850), (2, 64222925), (5, 25689170), (10, 12844585), (13, 9880450), (25, 5137834), (26, 4940225), (50, 2568917), (65, 1976090), (130, 988045), (325, 395218), (650, 197609)]