26156780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2719}}^1$

素因数の和:2778

約数の個数: 48

約数和(自身を含む): 60775680

約数和(自身を除く): 34618900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 2719, 4810, 5438, 9620, 10876, 13595, 27190, 35347, 54380, 70694, 100603, 141388, 176735, 201206, 353470, 402412, 503015, 706940, 1006030, 1307839, 2012060, 2615678, 5231356, 6539195, 13078390, 26156780]

約数ペア:

[(1, 26156780), (2, 13078390), (4, 6539195), (5, 5231356), (10, 2615678), (13, 2012060), (20, 1307839), (26, 1006030), (37, 706940), (52, 503015), (65, 402412), (74, 353470), (130, 201206), (148, 176735), (185, 141388), (260, 100603), (370, 70694), (481, 54380), (740, 35347), (962, 27190), (1924, 13595), (2405, 10876), (2719, 9620), (4810, 5438)]