245866960

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{38903}}^1$

素因数の和:38995

約数の個数: 40

約数和(自身を含む): 578891520

約数和(自身を除く): 333024560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 38903, 77806, 155612, 194515, 311224, 389030, 622448, 778060, 1556120, 3073337, 3112240, 6146674, 12293348, 15366685, 24586696, 30733370, 49173392, 61466740, 122933480, 245866960]

約数ペア:

[(1, 245866960), (2, 122933480), (4, 61466740), (5, 49173392), (8, 30733370), (10, 24586696), (16, 15366685), (20, 12293348), (40, 6146674), (79, 3112240), (80, 3073337), (158, 1556120), (316, 778060), (395, 622448), (632, 389030), (790, 311224), (1264, 194515), (1580, 155612), (3160, 77806), (6320, 38903)]