126647680

素因数分解:

$2^7\times 5^1\times {\mathrm{197887}}^1$

素因数の和:197906

約数の個数: 32

約数和(自身を含む): 302768640

約数和(自身を除く): 176120960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 197887, 395774, 791548, 989435, 1583096, 1978870, 3166192, 3957740, 6332384, 7915480, 12664768, 15830960, 25329536, 31661920, 63323840, 126647680]

約数ペア:

[(1, 126647680), (2, 63323840), (4, 31661920), (5, 25329536), (8, 15830960), (10, 12664768), (16, 7915480), (20, 6332384), (32, 3957740), (40, 3166192), (64, 1978870), (80, 1583096), (128, 989435), (160, 791548), (320, 395774), (640, 197887)]