29185840

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3347}}^1$

素因数の和:3469

約数の個数: 40

約数和(自身を含む): 68500080

約数和(自身を除く): 39314240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 3347, 4360, 6694, 8720, 13388, 16735, 26776, 33470, 53552, 66940, 133880, 267760, 364823, 729646, 1459292, 1824115, 2918584, 3648230, 5837168, 7296460, 14592920, 29185840]

約数ペア:

[(1, 29185840), (2, 14592920), (4, 7296460), (5, 5837168), (8, 3648230), (10, 2918584), (16, 1824115), (20, 1459292), (40, 729646), (80, 364823), (109, 267760), (218, 133880), (436, 66940), (545, 53552), (872, 33470), (1090, 26776), (1744, 16735), (2180, 13388), (3347, 8720), (4360, 6694)]