26921620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1549}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 62496000

約数和(自身を除く): 35574380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1549, 1580, 1738, 3098, 3476, 4345, 6196, 7745, 8690, 15490, 17039, 17380, 30980, 34078, 68156, 85195, 122371, 170390, 244742, 340780, 489484, 611855, 1223710, 1346081, 2447420, 2692162, 5384324, 6730405, 13460810, 26921620]

約数ペア:

[(1, 26921620), (2, 13460810), (4, 6730405), (5, 5384324), (10, 2692162), (11, 2447420), (20, 1346081), (22, 1223710), (44, 611855), (55, 489484), (79, 340780), (110, 244742), (158, 170390), (220, 122371), (316, 85195), (395, 68156), (790, 34078), (869, 30980), (1549, 17380), (1580, 17039), (1738, 15490), (3098, 8690), (3476, 7745), (4345, 6196)]