38837680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 103993344

約数和(自身を除く): 65155664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 223, 280, 311, 446, 560, 622, 892, 1115, 1244, 1555, 1561, 1784, 2177, 2230, 2488, 3110, 3122, 3568, 4354, 4460, 4976, 6220, 6244, 7805, 8708, 8920, 10885, 12440, 12488, 15610, 17416, 17840, 21770, 24880, 24976, 31220, 34832, 43540, 62440, 69353, 87080, 124880, 138706, 174160, 277412, 346765, 485471, 554824, 693530, 970942, 1109648, 1387060, 1941884, 2427355, 2774120, 3883768, 4854710, 5548240, 7767536, 9709420, 19418840, 38837680]

約数ペア:

[(1, 38837680), (2, 19418840), (4, 9709420), (5, 7767536), (7, 5548240), (8, 4854710), (10, 3883768), (14, 2774120), (16, 2427355), (20, 1941884), (28, 1387060), (35, 1109648), (40, 970942), (56, 693530), (70, 554824), (80, 485471), (112, 346765), (140, 277412), (223, 174160), (280, 138706), (311, 124880), (446, 87080), (560, 69353), (622, 62440), (892, 43540), (1115, 34832), (1244, 31220), (1555, 24976), (1561, 24880), (1784, 21770), (2177, 17840), (2230, 17416), (2488, 15610), (3110, 12488), (3122, 12440), (3568, 10885), (4354, 8920), (4460, 8708), (4976, 7805), (6220, 6244)]