55513750

素因数分解:

$2^1\times 5^4\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:610

約数の個数: 40

約数和(自身を含む): 105435000

約数和(自身を除く): 49921250

約数列:

[1, 2, 5, 10, 25, 50, 89, 125, 178, 250, 445, 499, 625, 890, 998, 1250, 2225, 2495, 4450, 4990, 11125, 12475, 22250, 24950, 44411, 55625, 62375, 88822, 111250, 124750, 222055, 311875, 444110, 623750, 1110275, 2220550, 5551375, 11102750, 27756875, 55513750]

約数ペア:

[(1, 55513750), (2, 27756875), (5, 11102750), (10, 5551375), (25, 2220550), (50, 1110275), (89, 623750), (125, 444110), (178, 311875), (250, 222055), (445, 124750), (499, 111250), (625, 88822), (890, 62375), (998, 55625), (1250, 44411), (2225, 24950), (2495, 22250), (4450, 12475), (4990, 11125)]