28441120

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1193}}^1$

素因数の和:1357

約数の個数: 48

約数和(自身を含む): 67699800

約数和(自身を除く): 39258680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 1192, 1193, 1490, 2384, 2386, 2980, 4768, 4772, 5960, 5965, 9544, 11920, 11930, 19088, 23840, 23860, 38176, 47720, 95440, 177757, 190880, 355514, 711028, 888785, 1422056, 1777570, 2844112, 3555140, 5688224, 7110280, 14220560, 28441120]

約数ペア:

[(1, 28441120), (2, 14220560), (4, 7110280), (5, 5688224), (8, 3555140), (10, 2844112), (16, 1777570), (20, 1422056), (32, 888785), (40, 711028), (80, 355514), (149, 190880), (160, 177757), (298, 95440), (596, 47720), (745, 38176), (1192, 23860), (1193, 23840), (1490, 19088), (2384, 11930), (2386, 11920), (2980, 9544), (4768, 5965), (4772, 5960)]