155542720

素因数分解:

$2^6\times 5^1\times {\mathrm{486071}}^1$

素因数の和:486088

約数の個数: 28

約数和(自身を含む): 370386864

約数和(自身を除く): 214844144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 486071, 972142, 1944284, 2430355, 3888568, 4860710, 7777136, 9721420, 15554272, 19442840, 31108544, 38885680, 77771360, 155542720]

約数ペア:

[(1, 155542720), (2, 77771360), (4, 38885680), (5, 31108544), (8, 19442840), (10, 15554272), (16, 9721420), (20, 7777136), (32, 4860710), (40, 3888568), (64, 2430355), (80, 1944284), (160, 972142), (320, 486071)]