12662780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 28957824

約数和(自身を除く): 16295044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 431, 452, 565, 862, 1130, 1469, 1724, 2155, 2260, 2938, 4310, 5603, 5876, 7345, 8620, 11206, 14690, 22412, 28015, 29380, 48703, 56030, 97406, 112060, 194812, 243515, 487030, 633139, 974060, 1266278, 2532556, 3165695, 6331390, 12662780]

約数ペア:

[(1, 12662780), (2, 6331390), (4, 3165695), (5, 2532556), (10, 1266278), (13, 974060), (20, 633139), (26, 487030), (52, 243515), (65, 194812), (113, 112060), (130, 97406), (226, 56030), (260, 48703), (431, 29380), (452, 28015), (565, 22412), (862, 14690), (1130, 11206), (1469, 8620), (1724, 7345), (2155, 5876), (2260, 5603), (2938, 4310)]