51142940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{30809}}^1$

素因数の和:30901

約数の個数: 24

約数和(自身を含む): 108697680

約数和(自身を除く): 57554740

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 30809, 61618, 123236, 154045, 308090, 616180, 2557147, 5114294, 10228588, 12785735, 25571470, 51142940]

約数ペア:

[(1, 51142940), (2, 25571470), (4, 12785735), (5, 10228588), (10, 5114294), (20, 2557147), (83, 616180), (166, 308090), (332, 154045), (415, 123236), (830, 61618), (1660, 30809)]