16105840

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1847}}^1$

素因数の和:1969

約数の個数: 40

約数和(自身を含む): 37810080

約数和(自身を除く): 21704240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 1847, 2180, 3694, 4360, 7388, 8720, 9235, 14776, 18470, 29552, 36940, 73880, 147760, 201323, 402646, 805292, 1006615, 1610584, 2013230, 3221168, 4026460, 8052920, 16105840]

約数ペア:

[(1, 16105840), (2, 8052920), (4, 4026460), (5, 3221168), (8, 2013230), (10, 1610584), (16, 1006615), (20, 805292), (40, 402646), (80, 201323), (109, 147760), (218, 73880), (436, 36940), (545, 29552), (872, 18470), (1090, 14776), (1744, 9235), (1847, 8720), (2180, 7388), (3694, 4360)]