13864005280

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1220423}}^1$

素因数の和:1220509

約数の個数: 48

約数和(自身を含む): 33215059584

約数和(自身を除く): 19351054304

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, 1220423, 2440846, 4881692, 6102115, 9763384, 12204230, 19526768, 24408460, 39053536, 48816920, 86650033, 97633840, 173300066, 195267680, 346600132, 433250165, 693200264, 866500330, 1386400528, 1733000660, 2772801056, 3466001320, 6932002640, 13864005280]

約数ペア:

[(1, 13864005280), (2, 6932002640), (4, 3466001320), (5, 2772801056), (8, 1733000660), (10, 1386400528), (16, 866500330), (20, 693200264), (32, 433250165), (40, 346600132), (71, 195267680), (80, 173300066), (142, 97633840), (160, 86650033), (284, 48816920), (355, 39053536), (568, 24408460), (710, 19526768), (1136, 12204230), (1420, 9763384), (2272, 6102115), (2840, 4881692), (5680, 2440846), (11360, 1220423)]