40989865

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 58139136

約数和(自身を除く): 17149271

約数列:

[1, 5, 7, 35, 61, 73, 263, 305, 365, 427, 511, 1315, 1841, 2135, 2555, 4453, 9205, 16043, 19199, 22265, 31171, 80215, 95995, 112301, 134393, 155855, 561505, 671965, 1171139, 5855695, 8197973, 40989865]

約数ペア:

[(1, 40989865), (5, 8197973), (7, 5855695), (35, 1171139), (61, 671965), (73, 561505), (263, 155855), (305, 134393), (365, 112301), (427, 95995), (511, 80215), (1315, 31171), (1841, 22265), (2135, 19199), (2555, 16043), (4453, 9205)]