42657940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{859}}^1$

素因数の和:1072

約数の個数: 48

約数和(自身を含む): 97090560

約数和(自身を除く): 54432620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 191, 260, 382, 764, 859, 955, 1718, 1910, 2483, 3436, 3820, 4295, 4966, 8590, 9932, 11167, 12415, 17180, 22334, 24830, 44668, 49660, 55835, 111670, 164069, 223340, 328138, 656276, 820345, 1640690, 2132897, 3281380, 4265794, 8531588, 10664485, 21328970, 42657940]

約数ペア:

[(1, 42657940), (2, 21328970), (4, 10664485), (5, 8531588), (10, 4265794), (13, 3281380), (20, 2132897), (26, 1640690), (52, 820345), (65, 656276), (130, 328138), (191, 223340), (260, 164069), (382, 111670), (764, 55835), (859, 49660), (955, 44668), (1718, 24830), (1910, 22334), (2483, 17180), (3436, 12415), (3820, 11167), (4295, 9932), (4966, 8590)]