8305240

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{523}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 18769680

約数和(自身を除く): 10464440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 523, 794, 1046, 1588, 1985, 2092, 2615, 3176, 3970, 4184, 5230, 7940, 10460, 15880, 20920, 207631, 415262, 830524, 1038155, 1661048, 2076310, 4152620, 8305240]

約数ペア:

[(1, 8305240), (2, 4152620), (4, 2076310), (5, 1661048), (8, 1038155), (10, 830524), (20, 415262), (40, 207631), (397, 20920), (523, 15880), (794, 10460), (1046, 7940), (1588, 5230), (1985, 4184), (2092, 3970), (2615, 3176)]