12667840

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1325

約数の個数: 56

約数和(自身を含む): 31162752

約数和(自身を除く): 18494912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1277, 1984, 2480, 2554, 4960, 5108, 6385, 9920, 10216, 12770, 20432, 25540, 39587, 40864, 51080, 79174, 81728, 102160, 158348, 197935, 204320, 316696, 395870, 408640, 633392, 791740, 1266784, 1583480, 2533568, 3166960, 6333920, 12667840]

約数ペア:

[(1, 12667840), (2, 6333920), (4, 3166960), (5, 2533568), (8, 1583480), (10, 1266784), (16, 791740), (20, 633392), (31, 408640), (32, 395870), (40, 316696), (62, 204320), (64, 197935), (80, 158348), (124, 102160), (155, 81728), (160, 79174), (248, 51080), (310, 40864), (320, 39587), (496, 25540), (620, 20432), (992, 12770), (1240, 10216), (1277, 9920), (1984, 6385), (2480, 5108), (2554, 4960)]