63388880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{18427}}^1$

素因数の和:18483

約数の個数: 40

約数和(自身を含む): 150814752

約数和(自身を除く): 87425872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 18427, 36854, 73708, 92135, 147416, 184270, 294832, 368540, 737080, 792361, 1474160, 1584722, 3169444, 3961805, 6338888, 7923610, 12677776, 15847220, 31694440, 63388880]

約数ペア:

[(1, 63388880), (2, 31694440), (4, 15847220), (5, 12677776), (8, 7923610), (10, 6338888), (16, 3961805), (20, 3169444), (40, 1584722), (43, 1474160), (80, 792361), (86, 737080), (172, 368540), (215, 294832), (344, 184270), (430, 147416), (688, 92135), (860, 73708), (1720, 36854), (3440, 18427)]