1306840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{883}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 3023280

約数和(自身を除く): 1716440

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 883, 1480, 1766, 3532, 4415, 7064, 8830, 17660, 32671, 35320, 65342, 130684, 163355, 261368, 326710, 653420, 1306840]

約数ペア:

[(1, 1306840), (2, 653420), (4, 326710), (5, 261368), (8, 163355), (10, 130684), (20, 65342), (37, 35320), (40, 32671), (74, 17660), (148, 8830), (185, 7064), (296, 4415), (370, 3532), (740, 1766), (883, 1480)]