31348720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:770

約数の個数: 80

約数和(自身を含む): 80432352

約数和(自身を除く): 49083632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 701, 860, 1040, 1118, 1402, 1720, 2236, 2795, 2804, 3440, 3505, 4472, 5590, 5608, 7010, 8944, 9113, 11180, 11216, 14020, 18226, 22360, 28040, 30143, 36452, 44720, 45565, 56080, 60286, 72904, 91130, 120572, 145808, 150715, 182260, 241144, 301430, 364520, 391859, 482288, 602860, 729040, 783718, 1205720, 1567436, 1959295, 2411440, 3134872, 3918590, 6269744, 7837180, 15674360, 31348720]

約数ペア:

[(1, 31348720), (2, 15674360), (4, 7837180), (5, 6269744), (8, 3918590), (10, 3134872), (13, 2411440), (16, 1959295), (20, 1567436), (26, 1205720), (40, 783718), (43, 729040), (52, 602860), (65, 482288), (80, 391859), (86, 364520), (104, 301430), (130, 241144), (172, 182260), (208, 150715), (215, 145808), (260, 120572), (344, 91130), (430, 72904), (520, 60286), (559, 56080), (688, 45565), (701, 44720), (860, 36452), (1040, 30143), (1118, 28040), (1402, 22360), (1720, 18226), (2236, 14020), (2795, 11216), (2804, 11180), (3440, 9113), (3505, 8944), (4472, 7010), (5590, 5608)]