72034540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{821}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 156600864

約数和(自身を除く): 84566324

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 107, 164, 205, 214, 410, 428, 535, 820, 821, 1070, 1642, 2140, 3284, 4105, 4387, 8210, 8774, 16420, 17548, 21935, 33661, 43870, 67322, 87740, 87847, 134644, 168305, 175694, 336610, 351388, 439235, 673220, 878470, 1756940, 3601727, 7203454, 14406908, 18008635, 36017270, 72034540]

約数ペア:

[(1, 72034540), (2, 36017270), (4, 18008635), (5, 14406908), (10, 7203454), (20, 3601727), (41, 1756940), (82, 878470), (107, 673220), (164, 439235), (205, 351388), (214, 336610), (410, 175694), (428, 168305), (535, 134644), (820, 87847), (821, 87740), (1070, 67322), (1642, 43870), (2140, 33661), (3284, 21935), (4105, 17548), (4387, 16420), (8210, 8774)]