5518000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 80

約数和(自身を含む): 13927680

約数和(自身を除く): 8409680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 89, 100, 124, 125, 155, 178, 200, 248, 250, 310, 356, 400, 445, 496, 500, 620, 712, 775, 890, 1000, 1240, 1424, 1550, 1780, 2000, 2225, 2480, 2759, 3100, 3560, 3875, 4450, 5518, 6200, 7120, 7750, 8900, 11036, 11125, 12400, 13795, 15500, 17800, 22072, 22250, 27590, 31000, 35600, 44144, 44500, 55180, 62000, 68975, 89000, 110360, 137950, 178000, 220720, 275900, 344875, 551800, 689750, 1103600, 1379500, 2759000, 5518000]

約数ペア:

[(1, 5518000), (2, 2759000), (4, 1379500), (5, 1103600), (8, 689750), (10, 551800), (16, 344875), (20, 275900), (25, 220720), (31, 178000), (40, 137950), (50, 110360), (62, 89000), (80, 68975), (89, 62000), (100, 55180), (124, 44500), (125, 44144), (155, 35600), (178, 31000), (200, 27590), (248, 22250), (250, 22072), (310, 17800), (356, 15500), (400, 13795), (445, 12400), (496, 11125), (500, 11036), (620, 8900), (712, 7750), (775, 7120), (890, 6200), (1000, 5518), (1240, 4450), (1424, 3875), (1550, 3560), (1780, 3100), (2000, 2759), (2225, 2480)]