2012204540

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{811}}^1\times {\mathrm{947}}^1$

素因数の和:1898

約数の個数: 48

約数和(自身を含む): 4267638144

約数和(自身を除く): 2255433604

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 811, 947, 1310, 1622, 1894, 2620, 3244, 3788, 4055, 4735, 8110, 9470, 16220, 18940, 106241, 124057, 212482, 248114, 424964, 496228, 531205, 620285, 768017, 1062410, 1240570, 1536034, 2124820, 2481140, 3072068, 3840085, 7680170, 15360340, 100610227, 201220454, 402440908, 503051135, 1006102270, 2012204540]

約数ペア:

[(1, 2012204540), (2, 1006102270), (4, 503051135), (5, 402440908), (10, 201220454), (20, 100610227), (131, 15360340), (262, 7680170), (524, 3840085), (655, 3072068), (811, 2481140), (947, 2124820), (1310, 1536034), (1622, 1240570), (1894, 1062410), (2620, 768017), (3244, 620285), (3788, 531205), (4055, 496228), (4735, 424964), (8110, 248114), (9470, 212482), (16220, 124057), (18940, 106241)]