78864080

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{5903}}^1$

素因数の和:6083

約数の個数: 40

約数和(自身を含む): 184488192

約数和(自身を除く): 105624112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 5903, 6680, 11806, 13360, 23612, 29515, 47224, 59030, 94448, 118060, 236120, 472240, 985801, 1971602, 3943204, 4929005, 7886408, 9858010, 15772816, 19716020, 39432040, 78864080]

約数ペア:

[(1, 78864080), (2, 39432040), (4, 19716020), (5, 15772816), (8, 9858010), (10, 7886408), (16, 4929005), (20, 3943204), (40, 1971602), (80, 985801), (167, 472240), (334, 236120), (668, 118060), (835, 94448), (1336, 59030), (1670, 47224), (2672, 29515), (3340, 23612), (5903, 13360), (6680, 11806)]