2645646890

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1\times {\mathrm{13217}}^1$

素因数の和:13802

約数の個数: 32

約数和(自身を含む): 4900282704

約数和(自身を除く): 2254635814

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 541, 1082, 2705, 5410, 13217, 20017, 26434, 40034, 66085, 100085, 132170, 200170, 489029, 978058, 2445145, 4890290, 7150397, 14300794, 35751985, 71503970, 264564689, 529129378, 1322823445, 2645646890]

約数ペア:

[(1, 2645646890), (2, 1322823445), (5, 529129378), (10, 264564689), (37, 71503970), (74, 35751985), (185, 14300794), (370, 7150397), (541, 4890290), (1082, 2445145), (2705, 978058), (5410, 489029), (13217, 200170), (20017, 132170), (26434, 100085), (40034, 66085)]