16449920

素因数分解:

$2^7\times 5^1\times {\mathrm{25703}}^1$

素因数の和:25722

約数の個数: 32

約数和(自身を含む): 39327120

約数和(自身を除く): 22877200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 25703, 51406, 102812, 128515, 205624, 257030, 411248, 514060, 822496, 1028120, 1644992, 2056240, 3289984, 4112480, 8224960, 16449920]

約数ペア:

[(1, 16449920), (2, 8224960), (4, 4112480), (5, 3289984), (8, 2056240), (10, 1644992), (16, 1028120), (20, 822496), (32, 514060), (40, 411248), (64, 257030), (80, 205624), (128, 128515), (160, 102812), (320, 51406), (640, 25703)]