129658520

素因数分解:

$2^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{7001}}^1$

素因数の和:7475

約数の個数: 32

約数和(自身を含む): 292403520

約数和(自身を除く): 162745000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 463, 926, 1852, 2315, 3704, 4630, 7001, 9260, 14002, 18520, 28004, 35005, 56008, 70010, 140020, 280040, 3241463, 6482926, 12965852, 16207315, 25931704, 32414630, 64829260, 129658520]

約数ペア:

[(1, 129658520), (2, 64829260), (4, 32414630), (5, 25931704), (8, 16207315), (10, 12965852), (20, 6482926), (40, 3241463), (463, 280040), (926, 140020), (1852, 70010), (2315, 56008), (3704, 35005), (4630, 28004), (7001, 18520), (9260, 14002)]