87868720

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{6577}}^1$

素因数の和:6757

約数の個数: 40

約数和(自身を含む): 205549344

約数和(自身を除く): 117680624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 6577, 6680, 13154, 13360, 26308, 32885, 52616, 65770, 105232, 131540, 263080, 526160, 1098359, 2196718, 4393436, 5491795, 8786872, 10983590, 17573744, 21967180, 43934360, 87868720]

約数ペア:

[(1, 87868720), (2, 43934360), (4, 21967180), (5, 17573744), (8, 10983590), (10, 8786872), (16, 5491795), (20, 4393436), (40, 2196718), (80, 1098359), (167, 526160), (334, 263080), (668, 131540), (835, 105232), (1336, 65770), (1670, 52616), (2672, 32885), (3340, 26308), (6577, 13360), (6680, 13154)]