128222200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{20681}}^1$

素因数の和:20728

約数の個数: 48

約数和(自身を含む): 307748160

約数和(自身を除く): 179525960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 6200, 20681, 41362, 82724, 103405, 165448, 206810, 413620, 517025, 641111, 827240, 1034050, 1282222, 2068100, 2564444, 3205555, 4136200, 5128888, 6411110, 12822220, 16027775, 25644440, 32055550, 64111100, 128222200]

約数ペア:

[(1, 128222200), (2, 64111100), (4, 32055550), (5, 25644440), (8, 16027775), (10, 12822220), (20, 6411110), (25, 5128888), (31, 4136200), (40, 3205555), (50, 2564444), (62, 2068100), (100, 1282222), (124, 1034050), (155, 827240), (200, 641111), (248, 517025), (310, 413620), (620, 206810), (775, 165448), (1240, 103405), (1550, 82724), (3100, 41362), (6200, 20681)]