2013126950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{20981}}^1$

素因数の和:21113

約数の個数: 48

約数和(自身を含む): 3980705040

約数和(自身を除く): 1967578090

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 101, 190, 202, 475, 505, 950, 1010, 1919, 2525, 3838, 5050, 9595, 19190, 20981, 41962, 47975, 95950, 104905, 209810, 398639, 524525, 797278, 1049050, 1993195, 2119081, 3986390, 4238162, 9965975, 10595405, 19931950, 21190810, 40262539, 52977025, 80525078, 105954050, 201312695, 402625390, 1006563475, 2013126950]

約数ペア:

[(1, 2013126950), (2, 1006563475), (5, 402625390), (10, 201312695), (19, 105954050), (25, 80525078), (38, 52977025), (50, 40262539), (95, 21190810), (101, 19931950), (190, 10595405), (202, 9965975), (475, 4238162), (505, 3986390), (950, 2119081), (1010, 1993195), (1919, 1049050), (2525, 797278), (3838, 524525), (5050, 398639), (9595, 209810), (19190, 104905), (20981, 95950), (41962, 47975)]