47739640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{91807}}^1$

素因数の和:91831

約数の個数: 32

約数和(自身を含む): 115678080

約数和(自身を除く): 67938440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 91807, 183614, 367228, 459035, 734456, 918070, 1193491, 1836140, 2386982, 3672280, 4773964, 5967455, 9547928, 11934910, 23869820, 47739640]

約数ペア:

[(1, 47739640), (2, 23869820), (4, 11934910), (5, 9547928), (8, 5967455), (10, 4773964), (13, 3672280), (20, 2386982), (26, 1836140), (40, 1193491), (52, 918070), (65, 734456), (104, 459035), (130, 367228), (260, 183614), (520, 91807)]