3845920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2$

素因数の和:114

約数の個数: 72

約数和(自身を含む): 10017756

約数和(自身を除く): 6171836

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 65, 80, 86, 104, 130, 160, 172, 208, 215, 260, 344, 416, 430, 520, 559, 688, 860, 1040, 1118, 1376, 1720, 1849, 2080, 2236, 2795, 3440, 3698, 4472, 5590, 6880, 7396, 8944, 9245, 11180, 14792, 17888, 18490, 22360, 24037, 29584, 36980, 44720, 48074, 59168, 73960, 89440, 96148, 120185, 147920, 192296, 240370, 295840, 384592, 480740, 769184, 961480, 1922960, 3845920]

約数ペア:

[(1, 3845920), (2, 1922960), (4, 961480), (5, 769184), (8, 480740), (10, 384592), (13, 295840), (16, 240370), (20, 192296), (26, 147920), (32, 120185), (40, 96148), (43, 89440), (52, 73960), (65, 59168), (80, 48074), (86, 44720), (104, 36980), (130, 29584), (160, 24037), (172, 22360), (208, 18490), (215, 17888), (260, 14792), (344, 11180), (416, 9245), (430, 8944), (520, 7396), (559, 6880), (688, 5590), (860, 4472), (1040, 3698), (1118, 3440), (1376, 2795), (1720, 2236), (1849, 2080)]