204553120

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16183}}^1$

素因数の和:16277

約数の個数: 48

約数和(自身を含む): 489404160

約数和(自身を除く): 284851040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 12640, 16183, 32366, 64732, 80915, 129464, 161830, 258928, 323660, 517856, 647320, 1278457, 1294640, 2556914, 2589280, 5113828, 6392285, 10227656, 12784570, 20455312, 25569140, 40910624, 51138280, 102276560, 204553120]

約数ペア:

[(1, 204553120), (2, 102276560), (4, 51138280), (5, 40910624), (8, 25569140), (10, 20455312), (16, 12784570), (20, 10227656), (32, 6392285), (40, 5113828), (79, 2589280), (80, 2556914), (158, 1294640), (160, 1278457), (316, 647320), (395, 517856), (632, 323660), (790, 258928), (1264, 161830), (1580, 129464), (2528, 80915), (3160, 64732), (6320, 32366), (12640, 16183)]