27661940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1289}}^1$

素因数の和:1364

約数の個数: 48

約数和(自身を含む): 61765200

約数和(自身を除く): 34103260

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 1073, 1289, 2146, 2578, 4292, 5156, 5365, 6445, 10730, 12890, 21460, 25780, 37381, 47693, 74762, 95386, 149524, 186905, 190772, 238465, 373810, 476930, 747620, 953860, 1383097, 2766194, 5532388, 6915485, 13830970, 27661940]

約数ペア:

[(1, 27661940), (2, 13830970), (4, 6915485), (5, 5532388), (10, 2766194), (20, 1383097), (29, 953860), (37, 747620), (58, 476930), (74, 373810), (116, 238465), (145, 190772), (148, 186905), (185, 149524), (290, 95386), (370, 74762), (580, 47693), (740, 37381), (1073, 25780), (1289, 21460), (2146, 12890), (2578, 10730), (4292, 6445), (5156, 5365)]