64022120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{22543}}^1$

素因数の和:22625

約数の個数: 32

約数和(自身を含む): 146085120

約数和(自身を除く): 82063000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 22543, 45086, 90172, 112715, 180344, 225430, 450860, 901720, 1600553, 3201106, 6402212, 8002765, 12804424, 16005530, 32011060, 64022120]

約数ペア:

[(1, 64022120), (2, 32011060), (4, 16005530), (5, 12804424), (8, 8002765), (10, 6402212), (20, 3201106), (40, 1600553), (71, 901720), (142, 450860), (284, 225430), (355, 180344), (568, 112715), (710, 90172), (1420, 45086), (2840, 22543)]