6440590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 48

約数和(自身を含む): 13017888

約数和(自身を除く): 6577298

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 103, 130, 169, 185, 206, 338, 370, 481, 515, 845, 962, 1030, 1339, 1690, 2405, 2678, 3811, 4810, 6253, 6695, 7622, 12506, 13390, 17407, 19055, 31265, 34814, 38110, 49543, 62530, 87035, 99086, 174070, 247715, 495430, 644059, 1288118, 3220295, 6440590]

約数ペア:

[(1, 6440590), (2, 3220295), (5, 1288118), (10, 644059), (13, 495430), (26, 247715), (37, 174070), (65, 99086), (74, 87035), (103, 62530), (130, 49543), (169, 38110), (185, 34814), (206, 31265), (338, 19055), (370, 17407), (481, 13390), (515, 12506), (845, 7622), (962, 6695), (1030, 6253), (1339, 4810), (1690, 3811), (2405, 2678)]