87648280

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{13121}}^1$

素因数の和:13299

約数の個数: 32

約数和(自身を含む): 198404640

約数和(自身を除く): 110756360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 13121, 26242, 52484, 65605, 104968, 131210, 262420, 524840, 2191207, 4382414, 8764828, 10956035, 17529656, 21912070, 43824140, 87648280]

約数ペア:

[(1, 87648280), (2, 43824140), (4, 21912070), (5, 17529656), (8, 10956035), (10, 8764828), (20, 4382414), (40, 2191207), (167, 524840), (334, 262420), (668, 131210), (835, 104968), (1336, 65605), (1670, 52484), (3340, 26242), (6680, 13121)]