25085480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89591}}^1$

素因数の和:89609

約数の個数: 32

約数和(自身を含む): 64506240

約数和(自身を除く): 39420760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 89591, 179182, 358364, 447955, 627137, 716728, 895910, 1254274, 1791820, 2508548, 3135685, 3583640, 5017096, 6271370, 12542740, 25085480]

約数ペア:

[(1, 25085480), (2, 12542740), (4, 6271370), (5, 5017096), (7, 3583640), (8, 3135685), (10, 2508548), (14, 1791820), (20, 1254274), (28, 895910), (35, 716728), (40, 627137), (56, 447955), (70, 358364), (140, 179182), (280, 89591)]