1961755480

素因数分解:

$2^3\times 5^1\times {\mathrm{2141}}^1\times {\mathrm{22907}}^1$

素因数の和:25059

約数の個数: 32

約数和(自身を含む): 4416204240

約数和(自身を除く): 2454448760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2141, 4282, 8564, 10705, 17128, 21410, 22907, 42820, 45814, 85640, 91628, 114535, 183256, 229070, 458140, 916280, 49043887, 98087774, 196175548, 245219435, 392351096, 490438870, 980877740, 1961755480]

約数ペア:

[(1, 1961755480), (2, 980877740), (4, 490438870), (5, 392351096), (8, 245219435), (10, 196175548), (20, 98087774), (40, 49043887), (2141, 916280), (4282, 458140), (8564, 229070), (10705, 183256), (17128, 114535), (21410, 91628), (22907, 85640), (42820, 45814)]