1258424000

素因数分解:

$2^6\times 5^3\times {\mathrm{157303}}^1$

素因数の和:157330

約数の個数: 56

約数和(自身を含む): 3116506848

約数和(自身を除く): 1858082848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 8000, 157303, 314606, 629212, 786515, 1258424, 1573030, 2516848, 3146060, 3932575, 5033696, 6292120, 7865150, 10067392, 12584240, 15730300, 19662875, 25168480, 31460600, 39325750, 50336960, 62921200, 78651500, 125842400, 157303000, 251684800, 314606000, 629212000, 1258424000]

約数ペア:

[(1, 1258424000), (2, 629212000), (4, 314606000), (5, 251684800), (8, 157303000), (10, 125842400), (16, 78651500), (20, 62921200), (25, 50336960), (32, 39325750), (40, 31460600), (50, 25168480), (64, 19662875), (80, 15730300), (100, 12584240), (125, 10067392), (160, 7865150), (200, 6292120), (250, 5033696), (320, 3932575), (400, 3146060), (500, 2516848), (800, 1573030), (1000, 1258424), (1600, 786515), (2000, 629212), (4000, 314606), (8000, 157303)]