64022920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{123121}}^1$

素因数の和:123145

約数の個数: 32

約数和(自身を含む): 155133720

約数和(自身を除く): 91110800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 123121, 246242, 492484, 615605, 984968, 1231210, 1600573, 2462420, 3201146, 4924840, 6402292, 8002865, 12804584, 16005730, 32011460, 64022920]

約数ペア:

[(1, 64022920), (2, 32011460), (4, 16005730), (5, 12804584), (8, 8002865), (10, 6402292), (13, 4924840), (20, 3201146), (26, 2462420), (40, 1600573), (52, 1231210), (65, 984968), (104, 615605), (130, 492484), (260, 246242), (520, 123121)]