71280040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137077}}^1$

素因数の和:137101

約数の個数: 32

約数和(自身を含む): 172718280

約数和(自身を除く): 101438240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 137077, 274154, 548308, 685385, 1096616, 1370770, 1782001, 2741540, 3564002, 5483080, 7128004, 8910005, 14256008, 17820010, 35640020, 71280040]

約数ペア:

[(1, 71280040), (2, 35640020), (4, 17820010), (5, 14256008), (8, 8910005), (10, 7128004), (13, 5483080), (20, 3564002), (26, 2741540), (40, 1782001), (52, 1370770), (65, 1096616), (104, 685385), (130, 548308), (260, 274154), (520, 137077)]