12676340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 27578880

約数和(自身を除く): 14902540

約数列:

[1, 2, 4, 5, 10, 20, 71, 79, 113, 142, 158, 226, 284, 316, 355, 395, 452, 565, 710, 790, 1130, 1420, 1580, 2260, 5609, 8023, 8927, 11218, 16046, 17854, 22436, 28045, 32092, 35708, 40115, 44635, 56090, 80230, 89270, 112180, 160460, 178540, 633817, 1267634, 2535268, 3169085, 6338170, 12676340]

約数ペア:

[(1, 12676340), (2, 6338170), (4, 3169085), (5, 2535268), (10, 1267634), (20, 633817), (71, 178540), (79, 160460), (113, 112180), (142, 89270), (158, 80230), (226, 56090), (284, 44635), (316, 40115), (355, 35708), (395, 32092), (452, 28045), (565, 22436), (710, 17854), (790, 16046), (1130, 11218), (1420, 8927), (1580, 8023), (2260, 5609)]