2129360

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:675

約数の個数: 40

約数和(自身を含む): 5074080

約数和(自身を除く): 2944720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 619, 688, 860, 1238, 1720, 2476, 3095, 3440, 4952, 6190, 9904, 12380, 24760, 26617, 49520, 53234, 106468, 133085, 212936, 266170, 425872, 532340, 1064680, 2129360]

約数ペア:

[(1, 2129360), (2, 1064680), (4, 532340), (5, 425872), (8, 266170), (10, 212936), (16, 133085), (20, 106468), (40, 53234), (43, 49520), (80, 26617), (86, 24760), (172, 12380), (215, 9904), (344, 6190), (430, 4952), (619, 3440), (688, 3095), (860, 2476), (1238, 1720)]