64629580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{439}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 144365760

約数和(自身を除く): 79736180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 433, 439, 866, 878, 1732, 1756, 2165, 2195, 4330, 4390, 7361, 7463, 8660, 8780, 14722, 14926, 29444, 29852, 36805, 37315, 73610, 74630, 147220, 149260, 190087, 380174, 760348, 950435, 1900870, 3231479, 3801740, 6462958, 12925916, 16157395, 32314790, 64629580]

約数ペア:

[(1, 64629580), (2, 32314790), (4, 16157395), (5, 12925916), (10, 6462958), (17, 3801740), (20, 3231479), (34, 1900870), (68, 950435), (85, 760348), (170, 380174), (340, 190087), (433, 149260), (439, 147220), (866, 74630), (878, 73610), (1732, 37315), (1756, 36805), (2165, 29852), (2195, 29444), (4330, 14926), (4390, 14722), (7361, 8780), (7463, 8660)]