139855360

素因数分解:

$2^9\times 5^1\times {\mathrm{54631}}^1$

素因数の和:54654

約数の個数: 40

約数和(自身を含む): 335331216

約数和(自身を除く): 195475856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 54631, 109262, 218524, 273155, 437048, 546310, 874096, 1092620, 1748192, 2185240, 3496384, 4370480, 6992768, 8740960, 13985536, 17481920, 27971072, 34963840, 69927680, 139855360]

約数ペア:

[(1, 139855360), (2, 69927680), (4, 34963840), (5, 27971072), (8, 17481920), (10, 13985536), (16, 8740960), (20, 6992768), (32, 4370480), (40, 3496384), (64, 2185240), (80, 1748192), (128, 1092620), (160, 874096), (256, 546310), (320, 437048), (512, 273155), (640, 218524), (1280, 109262), (2560, 54631)]