8749000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{673}}^1$

素因数の和:707

約数の個数: 64

約数和(自身を含む): 22080240

約数和(自身を除く): 13331240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 673, 1000, 1300, 1346, 1625, 2600, 2692, 3250, 3365, 5384, 6500, 6730, 8749, 13000, 13460, 16825, 17498, 26920, 33650, 34996, 43745, 67300, 69992, 84125, 87490, 134600, 168250, 174980, 218725, 336500, 349960, 437450, 673000, 874900, 1093625, 1749800, 2187250, 4374500, 8749000]

約数ペア:

[(1, 8749000), (2, 4374500), (4, 2187250), (5, 1749800), (8, 1093625), (10, 874900), (13, 673000), (20, 437450), (25, 349960), (26, 336500), (40, 218725), (50, 174980), (52, 168250), (65, 134600), (100, 87490), (104, 84125), (125, 69992), (130, 67300), (200, 43745), (250, 34996), (260, 33650), (325, 26920), (500, 17498), (520, 16825), (650, 13460), (673, 13000), (1000, 8749), (1300, 6730), (1346, 6500), (1625, 5384), (2600, 3365), (2692, 3250)]