2148250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 4337424

約数和(自身を除く): 2189174

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 661, 1322, 1625, 3250, 3305, 6610, 8593, 16525, 17186, 33050, 42965, 82625, 85930, 165250, 214825, 429650, 1074125, 2148250]

約数ペア:

[(1, 2148250), (2, 1074125), (5, 429650), (10, 214825), (13, 165250), (25, 85930), (26, 82625), (50, 42965), (65, 33050), (125, 17186), (130, 16525), (250, 8593), (325, 6610), (650, 3305), (661, 3250), (1322, 1625)]