31398250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{9661}}^1$

素因数の和:9691

約数の個数: 32

約数和(自身を含む): 63305424

約数和(自身を除く): 31907174

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 9661, 19322, 48305, 96610, 125593, 241525, 251186, 483050, 627965, 1207625, 1255930, 2415250, 3139825, 6279650, 15699125, 31398250]

約数ペア:

[(1, 31398250), (2, 15699125), (5, 6279650), (10, 3139825), (13, 2415250), (25, 1255930), (26, 1207625), (50, 627965), (65, 483050), (125, 251186), (130, 241525), (250, 125593), (325, 96610), (650, 48305), (1625, 19322), (3250, 9661)]