40286288

素因数分解:

$2^4\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1613}}^1$

素因数の和:1851

約数の個数: 40

約数和(自身を含む): 89660928

約数和(自身を除く): 49374640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 223, 446, 892, 1561, 1613, 1784, 3122, 3226, 3568, 6244, 6452, 11291, 12488, 12904, 22582, 24976, 25808, 45164, 90328, 180656, 359699, 719398, 1438796, 2517893, 2877592, 5035786, 5755184, 10071572, 20143144, 40286288]

約数ペア:

[(1, 40286288), (2, 20143144), (4, 10071572), (7, 5755184), (8, 5035786), (14, 2877592), (16, 2517893), (28, 1438796), (56, 719398), (112, 359699), (223, 180656), (446, 90328), (892, 45164), (1561, 25808), (1613, 24976), (1784, 22582), (3122, 12904), (3226, 12488), (3568, 11291), (6244, 6452)]