31861940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{577}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 73410624

約数和(自身を除く): 41548684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 251, 502, 577, 1004, 1154, 1255, 2308, 2510, 2761, 2885, 5020, 5522, 5770, 6347, 11044, 11540, 12694, 13805, 25388, 27610, 31735, 55220, 63470, 126940, 144827, 289654, 579308, 724135, 1448270, 1593097, 2896540, 3186194, 6372388, 7965485, 15930970, 31861940]

約数ペア:

[(1, 31861940), (2, 15930970), (4, 7965485), (5, 6372388), (10, 3186194), (11, 2896540), (20, 1593097), (22, 1448270), (44, 724135), (55, 579308), (110, 289654), (220, 144827), (251, 126940), (502, 63470), (577, 55220), (1004, 31735), (1154, 27610), (1255, 25388), (2308, 13805), (2510, 12694), (2761, 11540), (2885, 11044), (5020, 6347), (5522, 5770)]