7749520

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:787

約数の個数: 40

約数和(自身を含む): 18161784

約数和(自身を除く): 10412264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 617, 628, 785, 1234, 1256, 1570, 2468, 2512, 3085, 3140, 4936, 6170, 6280, 9872, 12340, 12560, 24680, 49360, 96869, 193738, 387476, 484345, 774952, 968690, 1549904, 1937380, 3874760, 7749520]

約数ペア:

[(1, 7749520), (2, 3874760), (4, 1937380), (5, 1549904), (8, 968690), (10, 774952), (16, 484345), (20, 387476), (40, 193738), (80, 96869), (157, 49360), (314, 24680), (617, 12560), (628, 12340), (785, 9872), (1234, 6280), (1256, 6170), (1570, 4936), (2468, 3140), (2512, 3085)]