55390840

素因数分解:

$2^3\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{1367}}^1$

素因数の和:2391

約数の個数: 32

約数和(自身を含む): 124843680

約数和(自身を除く): 69452840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013, 1367, 2026, 2734, 4052, 5065, 5468, 6835, 8104, 10130, 10936, 13670, 20260, 27340, 40520, 54680, 1384771, 2769542, 5539084, 6923855, 11078168, 13847710, 27695420, 55390840]

約数ペア:

[(1, 55390840), (2, 27695420), (4, 13847710), (5, 11078168), (8, 6923855), (10, 5539084), (20, 2769542), (40, 1384771), (1013, 54680), (1367, 40520), (2026, 27340), (2734, 20260), (4052, 13670), (5065, 10936), (5468, 10130), (6835, 8104)]