19686200

素因数分解:

$2^3\times 5^2\times {\mathrm{257}}^1\times {\mathrm{383}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 46068480

約数和(自身を除く): 26382280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 257, 383, 514, 766, 1028, 1285, 1532, 1915, 2056, 2570, 3064, 3830, 5140, 6425, 7660, 9575, 10280, 12850, 15320, 19150, 25700, 38300, 51400, 76600, 98431, 196862, 393724, 492155, 787448, 984310, 1968620, 2460775, 3937240, 4921550, 9843100, 19686200]

約数ペア:

[(1, 19686200), (2, 9843100), (4, 4921550), (5, 3937240), (8, 2460775), (10, 1968620), (20, 984310), (25, 787448), (40, 492155), (50, 393724), (100, 196862), (200, 98431), (257, 76600), (383, 51400), (514, 38300), (766, 25700), (1028, 19150), (1285, 15320), (1532, 12850), (1915, 10280), (2056, 9575), (2570, 7660), (3064, 6425), (3830, 5140)]