84768580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4127}}^1$

素因数の和:4228

約数の個数: 48

約数和(自身を含む): 194181120

約数和(自身を除く): 109412540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 4127, 5135, 8254, 10270, 16508, 20540, 20635, 41270, 53651, 82540, 107302, 214604, 268255, 326033, 536510, 652066, 1073020, 1304132, 1630165, 3260330, 4238429, 6520660, 8476858, 16953716, 21192145, 42384290, 84768580]

約数ペア:

[(1, 84768580), (2, 42384290), (4, 21192145), (5, 16953716), (10, 8476858), (13, 6520660), (20, 4238429), (26, 3260330), (52, 1630165), (65, 1304132), (79, 1073020), (130, 652066), (158, 536510), (260, 326033), (316, 268255), (395, 214604), (790, 107302), (1027, 82540), (1580, 53651), (2054, 41270), (4108, 20635), (4127, 20540), (5135, 16508), (8254, 10270)]