40813900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21481}}^1$

素因数の和:21514

約数の個数: 36

約数和(自身を含む): 93231880

約数和(自身を除く): 52417980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 21481, 42962, 85924, 107405, 214810, 408139, 429620, 537025, 816278, 1074050, 1632556, 2040695, 2148100, 4081390, 8162780, 10203475, 20406950, 40813900]

約数ペア:

[(1, 40813900), (2, 20406950), (4, 10203475), (5, 8162780), (10, 4081390), (19, 2148100), (20, 2040695), (25, 1632556), (38, 1074050), (50, 816278), (76, 537025), (95, 429620), (100, 408139), (190, 214810), (380, 107405), (475, 85924), (950, 42962), (1900, 21481)]