2041000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 5176080

約数和(自身を除く): 3135080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 157, 200, 250, 260, 314, 325, 500, 520, 628, 650, 785, 1000, 1256, 1300, 1570, 1625, 2041, 2600, 3140, 3250, 3925, 4082, 6280, 6500, 7850, 8164, 10205, 13000, 15700, 16328, 19625, 20410, 31400, 39250, 40820, 51025, 78500, 81640, 102050, 157000, 204100, 255125, 408200, 510250, 1020500, 2041000]

約数ペア:

[(1, 2041000), (2, 1020500), (4, 510250), (5, 408200), (8, 255125), (10, 204100), (13, 157000), (20, 102050), (25, 81640), (26, 78500), (40, 51025), (50, 40820), (52, 39250), (65, 31400), (100, 20410), (104, 19625), (125, 16328), (130, 15700), (157, 13000), (200, 10205), (250, 8164), (260, 7850), (314, 6500), (325, 6280), (500, 4082), (520, 3925), (628, 3250), (650, 3140), (785, 2600), (1000, 2041), (1256, 1625), (1300, 1570)]