29808080

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1559}}^1$

素因数の和:1811

約数の個数: 40

約数和(自身を含む): 69638400

約数和(自身を除く): 39830320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1559, 1912, 2390, 3118, 3824, 4780, 6236, 7795, 9560, 12472, 15590, 19120, 24944, 31180, 62360, 124720, 372601, 745202, 1490404, 1863005, 2980808, 3726010, 5961616, 7452020, 14904040, 29808080]

約数ペア:

[(1, 29808080), (2, 14904040), (4, 7452020), (5, 5961616), (8, 3726010), (10, 2980808), (16, 1863005), (20, 1490404), (40, 745202), (80, 372601), (239, 124720), (478, 62360), (956, 31180), (1195, 24944), (1559, 19120), (1912, 15590), (2390, 12472), (3118, 9560), (3824, 7795), (4780, 6236)]