12660320

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1181}}^1$

素因数の和:1263

約数の個数: 48

約数和(自身を含む): 30382128

約数和(自身を除く): 17721808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1181, 1340, 2144, 2362, 2680, 4724, 5360, 5905, 9448, 10720, 11810, 18896, 23620, 37792, 47240, 79127, 94480, 158254, 188960, 316508, 395635, 633016, 791270, 1266032, 1582540, 2532064, 3165080, 6330160, 12660320]

約数ペア:

[(1, 12660320), (2, 6330160), (4, 3165080), (5, 2532064), (8, 1582540), (10, 1266032), (16, 791270), (20, 633016), (32, 395635), (40, 316508), (67, 188960), (80, 158254), (134, 94480), (160, 79127), (268, 47240), (335, 37792), (536, 23620), (670, 18896), (1072, 11810), (1181, 10720), (1340, 9448), (2144, 5905), (2362, 5360), (2680, 4724)]