26532280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21397}}^1$

素因数の和:21439

約数の個数: 32

約数和(自身を含む): 61626240

約数和(自身を除く): 35093960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 21397, 42794, 85588, 106985, 171176, 213970, 427940, 663307, 855880, 1326614, 2653228, 3316535, 5306456, 6633070, 13266140, 26532280]

約数ペア:

[(1, 26532280), (2, 13266140), (4, 6633070), (5, 5306456), (8, 3316535), (10, 2653228), (20, 1326614), (31, 855880), (40, 663307), (62, 427940), (124, 213970), (155, 171176), (248, 106985), (310, 85588), (620, 42794), (1240, 21397)]