8165647520

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{718807}}^1$

素因数の和:718893

約数の個数: 48

約数和(自身を含む): 19563078528

約数和(自身を除く): 11397431008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 11360, 718807, 1437614, 2875228, 3594035, 5750456, 7188070, 11500912, 14376140, 23001824, 28752280, 51035297, 57504560, 102070594, 115009120, 204141188, 255176485, 408282376, 510352970, 816564752, 1020705940, 1633129504, 2041411880, 4082823760, 8165647520]

約数ペア:

[(1, 8165647520), (2, 4082823760), (4, 2041411880), (5, 1633129504), (8, 1020705940), (10, 816564752), (16, 510352970), (20, 408282376), (32, 255176485), (40, 204141188), (71, 115009120), (80, 102070594), (142, 57504560), (160, 51035297), (284, 28752280), (355, 23001824), (568, 14376140), (710, 11500912), (1136, 7188070), (1420, 5750456), (2272, 3594035), (2840, 2875228), (5680, 1437614), (11360, 718807)]