13054880

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{587}}^1$

素因数の和:741

約数の個数: 48

約数和(自身を含む): 31116960

約数和(自身を除く): 18062080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 587, 695, 1112, 1174, 1390, 2224, 2348, 2780, 2935, 4448, 4696, 5560, 5870, 9392, 11120, 11740, 18784, 22240, 23480, 46960, 81593, 93920, 163186, 326372, 407965, 652744, 815930, 1305488, 1631860, 2610976, 3263720, 6527440, 13054880]

約数ペア:

[(1, 13054880), (2, 6527440), (4, 3263720), (5, 2610976), (8, 1631860), (10, 1305488), (16, 815930), (20, 652744), (32, 407965), (40, 326372), (80, 163186), (139, 93920), (160, 81593), (278, 46960), (556, 23480), (587, 22240), (695, 18784), (1112, 11740), (1174, 11120), (1390, 9392), (2224, 5870), (2348, 5560), (2780, 4696), (2935, 4448)]