31090540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{607}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 70785792

約数和(自身を除く): 39695252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 260, 394, 607, 788, 985, 1214, 1970, 2428, 2561, 3035, 3940, 5122, 6070, 7891, 10244, 12140, 12805, 15782, 25610, 31564, 39455, 51220, 78910, 119579, 157820, 239158, 478316, 597895, 1195790, 1554527, 2391580, 3109054, 6218108, 7772635, 15545270, 31090540]

約数ペア:

[(1, 31090540), (2, 15545270), (4, 7772635), (5, 6218108), (10, 3109054), (13, 2391580), (20, 1554527), (26, 1195790), (52, 597895), (65, 478316), (130, 239158), (197, 157820), (260, 119579), (394, 78910), (607, 51220), (788, 39455), (985, 31564), (1214, 25610), (1970, 15782), (2428, 12805), (2561, 12140), (3035, 10244), (3940, 7891), (5122, 6070)]