79601980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{607}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 171601920

約数和(自身を除く): 91999940

約数列:

[1, 2, 4, 5, 10, 20, 79, 83, 158, 166, 316, 332, 395, 415, 607, 790, 830, 1214, 1580, 1660, 2428, 3035, 6070, 6557, 12140, 13114, 26228, 32785, 47953, 50381, 65570, 95906, 100762, 131140, 191812, 201524, 239765, 251905, 479530, 503810, 959060, 1007620, 3980099, 7960198, 15920396, 19900495, 39800990, 79601980]

約数ペア:

[(1, 79601980), (2, 39800990), (4, 19900495), (5, 15920396), (10, 7960198), (20, 3980099), (79, 1007620), (83, 959060), (158, 503810), (166, 479530), (316, 251905), (332, 239765), (395, 201524), (415, 191812), (607, 131140), (790, 100762), (830, 95906), (1214, 65570), (1580, 50381), (1660, 47953), (2428, 32785), (3035, 26228), (6070, 13114), (6557, 12140)]