80914340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10039}}^1$

素因数の和:10092

約数の個数: 48

約数和(自身を含む): 188912640

約数和(自身を除く): 107998300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 10039, 20078, 40156, 50195, 100390, 130507, 200780, 261014, 311209, 522028, 622418, 652535, 1244836, 1305070, 1556045, 2610140, 3112090, 4045717, 6224180, 8091434, 16182868, 20228585, 40457170, 80914340]

約数ペア:

[(1, 80914340), (2, 40457170), (4, 20228585), (5, 16182868), (10, 8091434), (13, 6224180), (20, 4045717), (26, 3112090), (31, 2610140), (52, 1556045), (62, 1305070), (65, 1244836), (124, 652535), (130, 622418), (155, 522028), (260, 311209), (310, 261014), (403, 200780), (620, 130507), (806, 100390), (1612, 50195), (2015, 40156), (4030, 20078), (8060, 10039)]