73120280

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2897}}^1$

素因数の和:3539

約数の個数: 32

約数和(自身を含む): 164838240

約数和(自身を除く): 91717960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 2897, 3155, 5048, 5794, 6310, 11588, 12620, 14485, 23176, 25240, 28970, 57940, 115880, 1828007, 3656014, 7312028, 9140035, 14624056, 18280070, 36560140, 73120280]

約数ペア:

[(1, 73120280), (2, 36560140), (4, 18280070), (5, 14624056), (8, 9140035), (10, 7312028), (20, 3656014), (40, 1828007), (631, 115880), (1262, 57940), (2524, 28970), (2897, 25240), (3155, 23176), (5048, 14485), (5794, 12620), (6310, 11588)]