56456140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{16703}}^1$

素因数の和:16738

約数の個数: 36

約数和(自身を含む): 128386944

約数和(自身を除く): 71930804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 16703, 33406, 66812, 83515, 167030, 217139, 334060, 434278, 868556, 1085695, 2171390, 2822807, 4342780, 5645614, 11291228, 14114035, 28228070, 56456140]

約数ペア:

[(1, 56456140), (2, 28228070), (4, 14114035), (5, 11291228), (10, 5645614), (13, 4342780), (20, 2822807), (26, 2171390), (52, 1085695), (65, 868556), (130, 434278), (169, 334060), (260, 217139), (338, 167030), (676, 83515), (845, 66812), (1690, 33406), (3380, 16703)]