13140280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10597}}^1$

素因数の和:10639

約数の個数: 32

約数和(自身を含む): 30522240

約数和(自身を除く): 17381960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10597, 21194, 42388, 52985, 84776, 105970, 211940, 328507, 423880, 657014, 1314028, 1642535, 2628056, 3285070, 6570140, 13140280]

約数ペア:

[(1, 13140280), (2, 6570140), (4, 3285070), (5, 2628056), (8, 1642535), (10, 1314028), (20, 657014), (31, 423880), (40, 328507), (62, 211940), (124, 105970), (155, 84776), (248, 52985), (310, 42388), (620, 21194), (1240, 10597)]