2531170040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9039893}}^1$

素因数の和:9039911

約数の個数: 32

約数和(自身を含む): 6508723680

約数和(自身を除く): 3977553640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9039893, 18079786, 36159572, 45199465, 63279251, 72319144, 90398930, 126558502, 180797860, 253117004, 316396255, 361595720, 506234008, 632792510, 1265585020, 2531170040]

約数ペア:

[(1, 2531170040), (2, 1265585020), (4, 632792510), (5, 506234008), (7, 361595720), (8, 316396255), (10, 253117004), (14, 180797860), (20, 126558502), (28, 90398930), (35, 72319144), (40, 63279251), (56, 45199465), (70, 36159572), (140, 18079786), (280, 9039893)]