26810360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 64735200

約数和(自身を除く): 37924840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 340, 356, 443, 445, 680, 712, 886, 890, 1513, 1772, 1780, 2215, 3026, 3544, 3560, 4430, 6052, 7531, 7565, 8860, 12104, 15062, 15130, 17720, 30124, 30260, 37655, 39427, 60248, 60520, 75310, 78854, 150620, 157708, 197135, 301240, 315416, 394270, 670259, 788540, 1340518, 1577080, 2681036, 3351295, 5362072, 6702590, 13405180, 26810360]

約数ペア:

[(1, 26810360), (2, 13405180), (4, 6702590), (5, 5362072), (8, 3351295), (10, 2681036), (17, 1577080), (20, 1340518), (34, 788540), (40, 670259), (68, 394270), (85, 315416), (89, 301240), (136, 197135), (170, 157708), (178, 150620), (340, 78854), (356, 75310), (443, 60520), (445, 60248), (680, 39427), (712, 37655), (886, 30260), (890, 30124), (1513, 17720), (1772, 15130), (1780, 15062), (2215, 12104), (3026, 8860), (3544, 7565), (3560, 7531), (4430, 6052)]