12954640

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1951}}^1$

素因数の和:2047

約数の個数: 40

約数和(自身を含む): 30498048

約数和(自身を除く): 17543408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 1951, 3320, 3902, 6640, 7804, 9755, 15608, 19510, 31216, 39020, 78040, 156080, 161933, 323866, 647732, 809665, 1295464, 1619330, 2590928, 3238660, 6477320, 12954640]

約数ペア:

[(1, 12954640), (2, 6477320), (4, 3238660), (5, 2590928), (8, 1619330), (10, 1295464), (16, 809665), (20, 647732), (40, 323866), (80, 161933), (83, 156080), (166, 78040), (332, 39020), (415, 31216), (664, 19510), (830, 15608), (1328, 9755), (1660, 7804), (1951, 6640), (3320, 3902)]