66303640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127507}}^1$

素因数の和:127531

約数の個数: 32

約数和(自身を含む): 160660080

約数和(自身を除く): 94356440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 127507, 255014, 510028, 637535, 1020056, 1275070, 1657591, 2550140, 3315182, 5100280, 6630364, 8287955, 13260728, 16575910, 33151820, 66303640]

約数ペア:

[(1, 66303640), (2, 33151820), (4, 16575910), (5, 13260728), (8, 8287955), (10, 6630364), (13, 5100280), (20, 3315182), (26, 2550140), (40, 1657591), (52, 1275070), (65, 1020056), (104, 637535), (130, 510028), (260, 255014), (520, 127507)]