66706480

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{4993}}^1$

素因数の和:5173

約数の個数: 40

約数和(自身を含む): 156052512

約数和(自身を除く): 89346032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 4993, 6680, 9986, 13360, 19972, 24965, 39944, 49930, 79888, 99860, 199720, 399440, 833831, 1667662, 3335324, 4169155, 6670648, 8338310, 13341296, 16676620, 33353240, 66706480]

約数ペア:

[(1, 66706480), (2, 33353240), (4, 16676620), (5, 13341296), (8, 8338310), (10, 6670648), (16, 4169155), (20, 3335324), (40, 1667662), (80, 833831), (167, 399440), (334, 199720), (668, 99860), (835, 79888), (1336, 49930), (1670, 39944), (2672, 24965), (3340, 19972), (4993, 13360), (6680, 9986)]