858163840

素因数分解:

$2^7\times 5^1\times {\mathrm{331}}^1\times {\mathrm{4051}}^1$

素因数の和:4401

約数の個数: 64

約数和(自身を含む): 2058253920

約数和(自身を除く): 1200090080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 331, 640, 662, 1324, 1655, 2648, 3310, 4051, 5296, 6620, 8102, 10592, 13240, 16204, 20255, 21184, 26480, 32408, 40510, 42368, 52960, 64816, 81020, 105920, 129632, 162040, 211840, 259264, 324080, 518528, 648160, 1296320, 1340881, 2592640, 2681762, 5363524, 6704405, 10727048, 13408810, 21454096, 26817620, 42908192, 53635240, 85816384, 107270480, 171632768, 214540960, 429081920, 858163840]

約数ペア:

[(1, 858163840), (2, 429081920), (4, 214540960), (5, 171632768), (8, 107270480), (10, 85816384), (16, 53635240), (20, 42908192), (32, 26817620), (40, 21454096), (64, 13408810), (80, 10727048), (128, 6704405), (160, 5363524), (320, 2681762), (331, 2592640), (640, 1340881), (662, 1296320), (1324, 648160), (1655, 518528), (2648, 324080), (3310, 259264), (4051, 211840), (5296, 162040), (6620, 129632), (8102, 105920), (10592, 81020), (13240, 64816), (16204, 52960), (20255, 42368), (21184, 40510), (26480, 32408)]