40307380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 86929920

約数和(自身を除く): 46622540

約数列:

[1, 2, 4, 5, 10, 20, 79, 97, 158, 194, 263, 316, 388, 395, 485, 526, 790, 970, 1052, 1315, 1580, 1940, 2630, 5260, 7663, 15326, 20777, 25511, 30652, 38315, 41554, 51022, 76630, 83108, 102044, 103885, 127555, 153260, 207770, 255110, 415540, 510220, 2015369, 4030738, 8061476, 10076845, 20153690, 40307380]

約数ペア:

[(1, 40307380), (2, 20153690), (4, 10076845), (5, 8061476), (10, 4030738), (20, 2015369), (79, 510220), (97, 415540), (158, 255110), (194, 207770), (263, 153260), (316, 127555), (388, 103885), (395, 102044), (485, 83108), (526, 76630), (790, 51022), (970, 41554), (1052, 38315), (1315, 30652), (1580, 25511), (1940, 20777), (2630, 15326), (5260, 7663)]