72188840

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{6709}}^1$

素因数の和:6989

約数の個数: 32

約数和(自身を含む): 163053000

約数和(自身を除く): 90864160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 6709, 10760, 13418, 26836, 33545, 53672, 67090, 134180, 268360, 1804721, 3609442, 7218884, 9023605, 14437768, 18047210, 36094420, 72188840]

約数ペア:

[(1, 72188840), (2, 36094420), (4, 18047210), (5, 14437768), (8, 9023605), (10, 7218884), (20, 3609442), (40, 1804721), (269, 268360), (538, 134180), (1076, 67090), (1345, 53672), (2152, 33545), (2690, 26836), (5380, 13418), (6709, 10760)]