72021760

素因数分解:

$2^8\times 5^1\times {\mathrm{56267}}^1$

素因数の和:56288

約数の個数: 36

約数和(自身を含む): 172517688

約数和(自身を除く): 100495928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 56267, 112534, 225068, 281335, 450136, 562670, 900272, 1125340, 1800544, 2250680, 3601088, 4501360, 7202176, 9002720, 14404352, 18005440, 36010880, 72021760]

約数ペア:

[(1, 72021760), (2, 36010880), (4, 18005440), (5, 14404352), (8, 9002720), (10, 7202176), (16, 4501360), (20, 3601088), (32, 2250680), (40, 1800544), (64, 1125340), (80, 900272), (128, 562670), (160, 450136), (256, 281335), (320, 225068), (640, 112534), (1280, 56267)]