26960980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{443}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 60419520

約数和(自身を除く): 33458540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 179, 340, 358, 443, 716, 886, 895, 1772, 1790, 2215, 3043, 3580, 4430, 6086, 7531, 8860, 12172, 15062, 15215, 30124, 30430, 37655, 60860, 75310, 79297, 150620, 158594, 317188, 396485, 792970, 1348049, 1585940, 2696098, 5392196, 6740245, 13480490, 26960980]

約数ペア:

[(1, 26960980), (2, 13480490), (4, 6740245), (5, 5392196), (10, 2696098), (17, 1585940), (20, 1348049), (34, 792970), (68, 396485), (85, 317188), (170, 158594), (179, 150620), (340, 79297), (358, 75310), (443, 60860), (716, 37655), (886, 30430), (895, 30124), (1772, 15215), (1790, 15062), (2215, 12172), (3043, 8860), (3580, 7531), (4430, 6086)]