13239920

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{461}}^1$

素因数の和:833

約数の個数: 40

約数和(自身を含む): 30935520

約数和(自身を除く): 17695600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 461, 718, 922, 1436, 1795, 1844, 2305, 2872, 3590, 3688, 4610, 5744, 7180, 7376, 9220, 14360, 18440, 28720, 36880, 165499, 330998, 661996, 827495, 1323992, 1654990, 2647984, 3309980, 6619960, 13239920]

約数ペア:

[(1, 13239920), (2, 6619960), (4, 3309980), (5, 2647984), (8, 1654990), (10, 1323992), (16, 827495), (20, 661996), (40, 330998), (80, 165499), (359, 36880), (461, 28720), (718, 18440), (922, 14360), (1436, 9220), (1795, 7376), (1844, 7180), (2305, 5744), (2872, 4610), (3590, 3688)]