55820000

素因数分解:

$2^5\times 5^4\times {\mathrm{2791}}^1$

素因数の和:2821

約数の個数: 60

約数和(自身を含む): 137374776

約数和(自身を除く): 81554776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 2791, 4000, 5000, 5582, 10000, 11164, 13955, 20000, 22328, 27910, 44656, 55820, 69775, 89312, 111640, 139550, 223280, 279100, 348875, 446560, 558200, 697750, 1116400, 1395500, 1744375, 2232800, 2791000, 3488750, 5582000, 6977500, 11164000, 13955000, 27910000, 55820000]

約数ペア:

[(1, 55820000), (2, 27910000), (4, 13955000), (5, 11164000), (8, 6977500), (10, 5582000), (16, 3488750), (20, 2791000), (25, 2232800), (32, 1744375), (40, 1395500), (50, 1116400), (80, 697750), (100, 558200), (125, 446560), (160, 348875), (200, 279100), (250, 223280), (400, 139550), (500, 111640), (625, 89312), (800, 69775), (1000, 55820), (1250, 44656), (2000, 27910), (2500, 22328), (2791, 20000), (4000, 13955), (5000, 11164), (5582, 10000)]