86278520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{491}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 204042240

約数和(自身を除く): 117763720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 191, 230, 382, 460, 491, 764, 920, 955, 982, 1528, 1910, 1964, 2455, 3820, 3928, 4393, 4910, 7640, 8786, 9820, 11293, 17572, 19640, 21965, 22586, 35144, 43930, 45172, 56465, 87860, 90344, 93781, 112930, 175720, 187562, 225860, 375124, 451720, 468905, 750248, 937810, 1875620, 2156963, 3751240, 4313926, 8627852, 10784815, 17255704, 21569630, 43139260, 86278520]

約数ペア:

[(1, 86278520), (2, 43139260), (4, 21569630), (5, 17255704), (8, 10784815), (10, 8627852), (20, 4313926), (23, 3751240), (40, 2156963), (46, 1875620), (92, 937810), (115, 750248), (184, 468905), (191, 451720), (230, 375124), (382, 225860), (460, 187562), (491, 175720), (764, 112930), (920, 93781), (955, 90344), (982, 87860), (1528, 56465), (1910, 45172), (1964, 43930), (2455, 35144), (3820, 22586), (3928, 21965), (4393, 19640), (4910, 17572), (7640, 11293), (8786, 9820)]