19908750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{5309}}^1$

素因数の和:5334

約数の個数: 40

約数和(自身を含む): 49765320

約数和(自身を除く): 29856570

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1250, 1875, 3750, 5309, 10618, 15927, 26545, 31854, 53090, 79635, 132725, 159270, 265450, 398175, 663625, 796350, 1327250, 1990875, 3318125, 3981750, 6636250, 9954375, 19908750]

約数ペア:

[(1, 19908750), (2, 9954375), (3, 6636250), (5, 3981750), (6, 3318125), (10, 1990875), (15, 1327250), (25, 796350), (30, 663625), (50, 398175), (75, 265450), (125, 159270), (150, 132725), (250, 79635), (375, 53090), (625, 31854), (750, 26545), (1250, 15927), (1875, 10618), (3750, 5309)]