1040260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4001}}^1$

素因数の和:4023

約数の個数: 24

約数和(自身を含む): 2353176

約数和(自身を除く): 1312916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4001, 8002, 16004, 20005, 40010, 52013, 80020, 104026, 208052, 260065, 520130, 1040260]

約数ペア:

[(1, 1040260), (2, 520130), (4, 260065), (5, 208052), (10, 104026), (13, 80020), (20, 52013), (26, 40010), (52, 20005), (65, 16004), (130, 8002), (260, 4001)]