65817340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1279}}^1$

素因数の和:1402

約数の個数: 48

約数和(自身を含む): 144506880

約数和(自身を除く): 78689540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 310, 332, 415, 620, 830, 1279, 1660, 2558, 2573, 5116, 5146, 6395, 10292, 12790, 12865, 25580, 25730, 39649, 51460, 79298, 106157, 158596, 198245, 212314, 396490, 424628, 530785, 792980, 1061570, 2123140, 3290867, 6581734, 13163468, 16454335, 32908670, 65817340]

約数ペア:

[(1, 65817340), (2, 32908670), (4, 16454335), (5, 13163468), (10, 6581734), (20, 3290867), (31, 2123140), (62, 1061570), (83, 792980), (124, 530785), (155, 424628), (166, 396490), (310, 212314), (332, 198245), (415, 158596), (620, 106157), (830, 79298), (1279, 51460), (1660, 39649), (2558, 25730), (2573, 25580), (5116, 12865), (5146, 12790), (6395, 10292)]