42149420

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{15383}}^1$

素因数の和:15529

約数の個数: 24

約数和(自身を含む): 89165664

約数和(自身を除く): 47016244

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 15383, 30766, 61532, 76915, 153830, 307660, 2107471, 4214942, 8429884, 10537355, 21074710, 42149420]

約数ペア:

[(1, 42149420), (2, 21074710), (4, 10537355), (5, 8429884), (10, 4214942), (20, 2107471), (137, 307660), (274, 153830), (548, 76915), (685, 61532), (1370, 30766), (2740, 15383)]