31142240

素因数分解:

$2^5\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1289}}^1$

素因数の和:1455

約数の個数: 48

約数和(自身を含む): 74118240

約数和(自身を除く): 42976000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 151, 160, 302, 604, 755, 1208, 1289, 1510, 2416, 2578, 3020, 4832, 5156, 6040, 6445, 10312, 12080, 12890, 20624, 24160, 25780, 41248, 51560, 103120, 194639, 206240, 389278, 778556, 973195, 1557112, 1946390, 3114224, 3892780, 6228448, 7785560, 15571120, 31142240]

約数ペア:

[(1, 31142240), (2, 15571120), (4, 7785560), (5, 6228448), (8, 3892780), (10, 3114224), (16, 1946390), (20, 1557112), (32, 973195), (40, 778556), (80, 389278), (151, 206240), (160, 194639), (302, 103120), (604, 51560), (755, 41248), (1208, 25780), (1289, 24160), (1510, 20624), (2416, 12890), (2578, 12080), (3020, 10312), (4832, 6445), (5156, 6040)]