5514440

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1549}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 12555000

約数和(自身を除く): 7040560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1549, 1780, 3098, 3560, 6196, 7745, 12392, 15490, 30980, 61960, 137861, 275722, 551444, 689305, 1102888, 1378610, 2757220, 5514440]

約数ペア:

[(1, 5514440), (2, 2757220), (4, 1378610), (5, 1102888), (8, 689305), (10, 551444), (20, 275722), (40, 137861), (89, 61960), (178, 30980), (356, 15490), (445, 12392), (712, 7745), (890, 6196), (1549, 3560), (1780, 3098)]