15561650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 31638600

約数和(自身を除く): 16076950

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 89, 130, 178, 269, 325, 445, 538, 650, 890, 1157, 1345, 2225, 2314, 2690, 3497, 4450, 5785, 6725, 6994, 11570, 13450, 17485, 23941, 28925, 34970, 47882, 57850, 87425, 119705, 174850, 239410, 311233, 598525, 622466, 1197050, 1556165, 3112330, 7780825, 15561650]

約数ペア:

[(1, 15561650), (2, 7780825), (5, 3112330), (10, 1556165), (13, 1197050), (25, 622466), (26, 598525), (50, 311233), (65, 239410), (89, 174850), (130, 119705), (178, 87425), (269, 57850), (325, 47882), (445, 34970), (538, 28925), (650, 23941), (890, 17485), (1157, 13450), (1345, 11570), (2225, 6994), (2314, 6725), (2690, 5785), (3497, 4450)]