18492500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{569}}^1$

素因数の和:606

約数の個数: 60

約数和(自身を含む): 43626660

約数和(自身を除く): 25134160

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 569, 625, 650, 1138, 1250, 1300, 1625, 2276, 2500, 2845, 3250, 5690, 6500, 7397, 8125, 11380, 14225, 14794, 16250, 28450, 29588, 32500, 36985, 56900, 71125, 73970, 142250, 147940, 184925, 284500, 355625, 369850, 711250, 739700, 924625, 1422500, 1849250, 3698500, 4623125, 9246250, 18492500]

約数ペア:

[(1, 18492500), (2, 9246250), (4, 4623125), (5, 3698500), (10, 1849250), (13, 1422500), (20, 924625), (25, 739700), (26, 711250), (50, 369850), (52, 355625), (65, 284500), (100, 184925), (125, 147940), (130, 142250), (250, 73970), (260, 71125), (325, 56900), (500, 36985), (569, 32500), (625, 29588), (650, 28450), (1138, 16250), (1250, 14794), (1300, 14225), (1625, 11380), (2276, 8125), (2500, 7397), (2845, 6500), (3250, 5690)]