54820820

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 117669888

約数和(自身を除く): 62849068

約数列:

[1, 2, 4, 5, 10, 20, 113, 127, 191, 226, 254, 382, 452, 508, 565, 635, 764, 955, 1130, 1270, 1910, 2260, 2540, 3820, 14351, 21583, 24257, 28702, 43166, 48514, 57404, 71755, 86332, 97028, 107915, 121285, 143510, 215830, 242570, 287020, 431660, 485140, 2741041, 5482082, 10964164, 13705205, 27410410, 54820820]

約数ペア:

[(1, 54820820), (2, 27410410), (4, 13705205), (5, 10964164), (10, 5482082), (20, 2741041), (113, 485140), (127, 431660), (191, 287020), (226, 242570), (254, 215830), (382, 143510), (452, 121285), (508, 107915), (565, 97028), (635, 86332), (764, 71755), (955, 57404), (1130, 48514), (1270, 43166), (1910, 28702), (2260, 24257), (2540, 21583), (3820, 14351)]