63980500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{3121}}^1$

素因数の和:3181

約数の個数: 48

約数和(自身を含む): 143187408

約数和(自身を除く): 79206908

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 820, 1025, 2050, 3121, 4100, 5125, 6242, 10250, 12484, 15605, 20500, 31210, 62420, 78025, 127961, 156050, 255922, 312100, 390125, 511844, 639805, 780250, 1279610, 1560500, 2559220, 3199025, 6398050, 12796100, 15995125, 31990250, 63980500]

約数ペア:

[(1, 63980500), (2, 31990250), (4, 15995125), (5, 12796100), (10, 6398050), (20, 3199025), (25, 2559220), (41, 1560500), (50, 1279610), (82, 780250), (100, 639805), (125, 511844), (164, 390125), (205, 312100), (250, 255922), (410, 156050), (500, 127961), (820, 78025), (1025, 62420), (2050, 31210), (3121, 20500), (4100, 15605), (5125, 12484), (6242, 10250)]