156939130840

素因数分解:

$2^3\times 5^1\times {\mathrm{6131}}^1\times {\mathrm{639941}}^1$

素因数の和:646083

約数の個数: 32

約数和(自身を含む): 353171190960

約数和(自身を除く): 196232060120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6131, 12262, 24524, 30655, 49048, 61310, 122620, 245240, 639941, 1279882, 2559764, 3199705, 5119528, 6399410, 12798820, 25597640, 3923478271, 7846956542, 15693913084, 19617391355, 31387826168, 39234782710, 78469565420, 156939130840]

約数ペア:

[(1, 156939130840), (2, 78469565420), (4, 39234782710), (5, 31387826168), (8, 19617391355), (10, 15693913084), (20, 7846956542), (40, 3923478271), (6131, 25597640), (12262, 12798820), (24524, 6399410), (30655, 5119528), (49048, 3199705), (61310, 2559764), (122620, 1279882), (245240, 639941)]