201987920

素因数分解:

$2^4\times 5^1\times {\mathrm{1367}}^1\times {\mathrm{1847}}^1$

素因数の和:3227

約数の個数: 40

約数和(自身を含む): 470219904

約数和(自身を除く): 268231984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1367, 1847, 2734, 3694, 5468, 6835, 7388, 9235, 10936, 13670, 14776, 18470, 21872, 27340, 29552, 36940, 54680, 73880, 109360, 147760, 2524849, 5049698, 10099396, 12624245, 20198792, 25248490, 40397584, 50496980, 100993960, 201987920]

約数ペア:

[(1, 201987920), (2, 100993960), (4, 50496980), (5, 40397584), (8, 25248490), (10, 20198792), (16, 12624245), (20, 10099396), (40, 5049698), (80, 2524849), (1367, 147760), (1847, 109360), (2734, 73880), (3694, 54680), (5468, 36940), (6835, 29552), (7388, 27340), (9235, 21872), (10936, 18470), (13670, 14776)]