78869480

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{17449}}^1$

素因数の和:17573

約数の個数: 32

約数和(自身を含む): 179037000

約数和(自身を除く): 100167520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 17449, 34898, 69796, 87245, 139592, 174490, 348980, 697960, 1971737, 3943474, 7886948, 9858685, 15773896, 19717370, 39434740, 78869480]

約数ペア:

[(1, 78869480), (2, 39434740), (4, 19717370), (5, 15773896), (8, 9858685), (10, 7886948), (20, 3943474), (40, 1971737), (113, 697960), (226, 348980), (452, 174490), (565, 139592), (904, 87245), (1130, 69796), (2260, 34898), (4520, 17449)]