42547000

素因数分解:

$2^3\times 5^3\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 100563840

約数和(自身を除く): 58016840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 157, 200, 250, 271, 314, 500, 542, 628, 785, 1000, 1084, 1256, 1355, 1570, 2168, 2710, 3140, 3925, 5420, 6280, 6775, 7850, 10840, 13550, 15700, 19625, 27100, 31400, 33875, 39250, 42547, 54200, 67750, 78500, 85094, 135500, 157000, 170188, 212735, 271000, 340376, 425470, 850940, 1063675, 1701880, 2127350, 4254700, 5318375, 8509400, 10636750, 21273500, 42547000]

約数ペア:

[(1, 42547000), (2, 21273500), (4, 10636750), (5, 8509400), (8, 5318375), (10, 4254700), (20, 2127350), (25, 1701880), (40, 1063675), (50, 850940), (100, 425470), (125, 340376), (157, 271000), (200, 212735), (250, 170188), (271, 157000), (314, 135500), (500, 85094), (542, 78500), (628, 67750), (785, 54200), (1000, 42547), (1084, 39250), (1256, 33875), (1355, 31400), (1570, 27100), (2168, 19625), (2710, 15700), (3140, 13550), (3925, 10840), (5420, 7850), (6280, 6775)]