2022800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:420

約数の個数: 60

約数和(自身を含む): 5247060

約数和(自身を除く): 3224260

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 389, 400, 520, 650, 778, 1040, 1300, 1556, 1945, 2600, 3112, 3890, 5057, 5200, 6224, 7780, 9725, 10114, 15560, 19450, 20228, 25285, 31120, 38900, 40456, 50570, 77800, 80912, 101140, 126425, 155600, 202280, 252850, 404560, 505700, 1011400, 2022800]

約数ペア:

[(1, 2022800), (2, 1011400), (4, 505700), (5, 404560), (8, 252850), (10, 202280), (13, 155600), (16, 126425), (20, 101140), (25, 80912), (26, 77800), (40, 50570), (50, 40456), (52, 38900), (65, 31120), (80, 25285), (100, 20228), (104, 19450), (130, 15560), (200, 10114), (208, 9725), (260, 7780), (325, 6224), (389, 5200), (400, 5057), (520, 3890), (650, 3112), (778, 2600), (1040, 1945), (1300, 1556)]