31682950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 64370880

約数和(自身を除く): 32687930

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 130, 158, 325, 395, 617, 650, 790, 1027, 1234, 1975, 2054, 3085, 3950, 5135, 6170, 8021, 10270, 15425, 16042, 25675, 30850, 40105, 48743, 51350, 80210, 97486, 200525, 243715, 401050, 487430, 633659, 1218575, 1267318, 2437150, 3168295, 6336590, 15841475, 31682950]

約数ペア:

[(1, 31682950), (2, 15841475), (5, 6336590), (10, 3168295), (13, 2437150), (25, 1267318), (26, 1218575), (50, 633659), (65, 487430), (79, 401050), (130, 243715), (158, 200525), (325, 97486), (395, 80210), (617, 51350), (650, 48743), (790, 40105), (1027, 30850), (1234, 25675), (1975, 16042), (2054, 15425), (3085, 10270), (3950, 8021), (5135, 6170)]