13251440

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2333}}^1$

素因数の和:2417

約数の個数: 40

約数和(自身を含む): 31256928

約数和(自身を除く): 18005488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2333, 2840, 4666, 5680, 9332, 11665, 18664, 23330, 37328, 46660, 93320, 165643, 186640, 331286, 662572, 828215, 1325144, 1656430, 2650288, 3312860, 6625720, 13251440]

約数ペア:

[(1, 13251440), (2, 6625720), (4, 3312860), (5, 2650288), (8, 1656430), (10, 1325144), (16, 828215), (20, 662572), (40, 331286), (71, 186640), (80, 165643), (142, 93320), (284, 46660), (355, 37328), (568, 23330), (710, 18664), (1136, 11665), (1420, 9332), (2333, 5680), (2840, 4666)]