80138200

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21089}}^1$

素因数の和:21124

約数の個数: 48

約数和(自身を含む): 196137000

約数和(自身を除く): 115998800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 21089, 42178, 84356, 105445, 168712, 210890, 400691, 421780, 527225, 801382, 843560, 1054450, 1602764, 2003455, 2108900, 3205528, 4006910, 4217800, 8013820, 10017275, 16027640, 20034550, 40069100, 80138200]

約数ペア:

[(1, 80138200), (2, 40069100), (4, 20034550), (5, 16027640), (8, 10017275), (10, 8013820), (19, 4217800), (20, 4006910), (25, 3205528), (38, 2108900), (40, 2003455), (50, 1602764), (76, 1054450), (95, 843560), (100, 801382), (152, 527225), (190, 421780), (200, 400691), (380, 210890), (475, 168712), (760, 105445), (950, 84356), (1900, 42178), (3800, 21089)]