125212520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 288591120

約数和(自身を除く): 163378600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 137, 146, 274, 292, 313, 365, 548, 584, 626, 685, 730, 1096, 1252, 1370, 1460, 1565, 2504, 2740, 2920, 3130, 5480, 6260, 10001, 12520, 20002, 22849, 40004, 42881, 45698, 50005, 80008, 85762, 91396, 100010, 114245, 171524, 182792, 200020, 214405, 228490, 343048, 400040, 428810, 456980, 857620, 913960, 1715240, 3130313, 6260626, 12521252, 15651565, 25042504, 31303130, 62606260, 125212520]

約数ペア:

[(1, 125212520), (2, 62606260), (4, 31303130), (5, 25042504), (8, 15651565), (10, 12521252), (20, 6260626), (40, 3130313), (73, 1715240), (137, 913960), (146, 857620), (274, 456980), (292, 428810), (313, 400040), (365, 343048), (548, 228490), (584, 214405), (626, 200020), (685, 182792), (730, 171524), (1096, 114245), (1252, 100010), (1370, 91396), (1460, 85762), (1565, 80008), (2504, 50005), (2740, 45698), (2920, 42881), (3130, 40004), (5480, 22849), (6260, 20002), (10001, 12520)]