9935000

素因数分解:

$2^3\times 5^4\times {\mathrm{1987}}^1$

素因数の和:2013

約数の個数: 40

約数和(自身を含む): 23289420

約数和(自身を除く): 13354420

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 1987, 2500, 3974, 5000, 7948, 9935, 15896, 19870, 39740, 49675, 79480, 99350, 198700, 248375, 397400, 496750, 993500, 1241875, 1987000, 2483750, 4967500, 9935000]

約数ペア:

[(1, 9935000), (2, 4967500), (4, 2483750), (5, 1987000), (8, 1241875), (10, 993500), (20, 496750), (25, 397400), (40, 248375), (50, 198700), (100, 99350), (125, 79480), (200, 49675), (250, 39740), (500, 19870), (625, 15896), (1000, 9935), (1250, 7948), (1987, 5000), (2500, 3974)]