985516640

素因数分解:

$2^5\times 5^1\times {\mathrm{1481}}^1\times {\mathrm{4159}}^1$

素因数の和:5655

約数の個数: 48

約数和(自身を含む): 2330415360

約数和(自身を除く): 1344898720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1481, 2962, 4159, 5924, 7405, 8318, 11848, 14810, 16636, 20795, 23696, 29620, 33272, 41590, 47392, 59240, 66544, 83180, 118480, 133088, 166360, 236960, 332720, 665440, 6159479, 12318958, 24637916, 30797395, 49275832, 61594790, 98551664, 123189580, 197103328, 246379160, 492758320, 985516640]

約数ペア:

[(1, 985516640), (2, 492758320), (4, 246379160), (5, 197103328), (8, 123189580), (10, 98551664), (16, 61594790), (20, 49275832), (32, 30797395), (40, 24637916), (80, 12318958), (160, 6159479), (1481, 665440), (2962, 332720), (4159, 236960), (5924, 166360), (7405, 133088), (8318, 118480), (11848, 83180), (14810, 66544), (16636, 59240), (20795, 47392), (23696, 41590), (29620, 33272)]