5118640

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{587}}^1$

素因数の和:709

約数の個数: 40

約数和(自身を含む): 12030480

約数和(自身を除く): 6911840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 587, 872, 1090, 1174, 1744, 2180, 2348, 2935, 4360, 4696, 5870, 8720, 9392, 11740, 23480, 46960, 63983, 127966, 255932, 319915, 511864, 639830, 1023728, 1279660, 2559320, 5118640]

約数ペア:

[(1, 5118640), (2, 2559320), (4, 1279660), (5, 1023728), (8, 639830), (10, 511864), (16, 319915), (20, 255932), (40, 127966), (80, 63983), (109, 46960), (218, 23480), (436, 11740), (545, 9392), (587, 8720), (872, 5870), (1090, 4696), (1174, 4360), (1744, 2935), (2180, 2348)]