12135980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7681}}^1$

素因数の和:7769

約数の個数: 24

約数和(自身を含む): 25811520

約数和(自身を除く): 13675540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 7681, 15362, 30724, 38405, 76810, 153620, 606799, 1213598, 2427196, 3033995, 6067990, 12135980]

約数ペア:

[(1, 12135980), (2, 6067990), (4, 3033995), (5, 2427196), (10, 1213598), (20, 606799), (79, 153620), (158, 76810), (316, 38405), (395, 30724), (790, 15362), (1580, 7681)]