15969850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 32497920

約数和(自身を除く): 16528070

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 130, 158, 311, 325, 395, 622, 650, 790, 1027, 1555, 1975, 2054, 3110, 3950, 4043, 5135, 7775, 8086, 10270, 15550, 20215, 24569, 25675, 40430, 49138, 51350, 101075, 122845, 202150, 245690, 319397, 614225, 638794, 1228450, 1596985, 3193970, 7984925, 15969850]

約数ペア:

[(1, 15969850), (2, 7984925), (5, 3193970), (10, 1596985), (13, 1228450), (25, 638794), (26, 614225), (50, 319397), (65, 245690), (79, 202150), (130, 122845), (158, 101075), (311, 51350), (325, 49138), (395, 40430), (622, 25675), (650, 24569), (790, 20215), (1027, 15550), (1555, 10270), (1975, 8086), (2054, 7775), (3110, 5135), (3950, 4043)]