1340885780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{166363}}^1$

素因数の和:166416

約数の個数: 48

約数和(自身を含む): 3130305024

約数和(自身を除く): 1789419244

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, 166363, 332726, 665452, 831815, 1663630, 2162719, 3327260, 4325438, 5157253, 8650876, 10314506, 10813595, 20629012, 21627190, 25786265, 43254380, 51572530, 67044289, 103145060, 134088578, 268177156, 335221445, 670442890, 1340885780]

約数ペア:

[(1, 1340885780), (2, 670442890), (4, 335221445), (5, 268177156), (10, 134088578), (13, 103145060), (20, 67044289), (26, 51572530), (31, 43254380), (52, 25786265), (62, 21627190), (65, 20629012), (124, 10813595), (130, 10314506), (155, 8650876), (260, 5157253), (310, 4325438), (403, 3327260), (620, 2162719), (806, 1663630), (1612, 831815), (2015, 665452), (4030, 332726), (8060, 166363)]