64907320

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14887}}^1$

素因数の和:15007

約数の個数: 32

約数和(自身を含む): 147391200

約数和(自身を除く): 82483880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 14887, 29774, 59548, 74435, 119096, 148870, 297740, 595480, 1622683, 3245366, 6490732, 8113415, 12981464, 16226830, 32453660, 64907320]

約数ペア:

[(1, 64907320), (2, 32453660), (4, 16226830), (5, 12981464), (8, 8113415), (10, 6490732), (20, 3245366), (40, 1622683), (109, 595480), (218, 297740), (436, 148870), (545, 119096), (872, 74435), (1090, 59548), (2180, 29774), (4360, 14887)]