20702925400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2524747}}^1$

素因数の和:2524804

約数の個数: 48

約数和(自身を含む): 49308328440

約数和(自身を除く): 28605403040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 4100, 8200, 2524747, 5049494, 10098988, 12623735, 20197976, 25247470, 50494940, 63118675, 100989880, 103514627, 126237350, 207029254, 252474700, 414058508, 504949400, 517573135, 828117016, 1035146270, 2070292540, 2587865675, 4140585080, 5175731350, 10351462700, 20702925400]

約数ペア:

[(1, 20702925400), (2, 10351462700), (4, 5175731350), (5, 4140585080), (8, 2587865675), (10, 2070292540), (20, 1035146270), (25, 828117016), (40, 517573135), (41, 504949400), (50, 414058508), (82, 252474700), (100, 207029254), (164, 126237350), (200, 103514627), (205, 100989880), (328, 63118675), (410, 50494940), (820, 25247470), (1025, 20197976), (1640, 12623735), (2050, 10098988), (4100, 5049494), (8200, 2524747)]