2045406490

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{839}}^1\times {\mathrm{1861}}^1$

素因数の和:2838

約数の個数: 32

約数和(自身を含む): 3716254080

約数和(自身を除く): 1670847590

約数列:

[1, 2, 5, 10, 131, 262, 655, 839, 1310, 1678, 1861, 3722, 4195, 8390, 9305, 18610, 109909, 219818, 243791, 487582, 549545, 1099090, 1218955, 1561379, 2437910, 3122758, 7806895, 15613790, 204540649, 409081298, 1022703245, 2045406490]

約数ペア:

[(1, 2045406490), (2, 1022703245), (5, 409081298), (10, 204540649), (131, 15613790), (262, 7806895), (655, 3122758), (839, 2437910), (1310, 1561379), (1678, 1218955), (1861, 1099090), (3722, 549545), (4195, 487582), (8390, 243791), (9305, 219818), (18610, 109909)]