72523660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4643}}^1$

素因数の和:4734

約数の個数: 48

約数和(自身を含む): 168521472

約数和(自身を除く): 95997812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 4643, 7810, 9286, 15620, 18572, 23215, 46430, 51073, 92860, 102146, 204292, 255365, 329653, 510730, 659306, 1021460, 1318612, 1648265, 3296530, 3626183, 6593060, 7252366, 14504732, 18130915, 36261830, 72523660]

約数ペア:

[(1, 72523660), (2, 36261830), (4, 18130915), (5, 14504732), (10, 7252366), (11, 6593060), (20, 3626183), (22, 3296530), (44, 1648265), (55, 1318612), (71, 1021460), (110, 659306), (142, 510730), (220, 329653), (284, 255365), (355, 204292), (710, 102146), (781, 92860), (1420, 51073), (1562, 46430), (3124, 23215), (3905, 18572), (4643, 15620), (7810, 9286)]