51813160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{877}}^1$

素因数の和:1106

約数の個数: 64

約数和(自身を含む): 134017920

約数和(自身を除く): 82204760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 844, 877, 1055, 1477, 1688, 1754, 2110, 2954, 3508, 4220, 4385, 5908, 6139, 7016, 7385, 8440, 8770, 11816, 12278, 14770, 17540, 24556, 29540, 30695, 35080, 49112, 59080, 61390, 122780, 185047, 245560, 370094, 740188, 925235, 1295329, 1480376, 1850470, 2590658, 3700940, 5181316, 6476645, 7401880, 10362632, 12953290, 25906580, 51813160]

約数ペア:

[(1, 51813160), (2, 25906580), (4, 12953290), (5, 10362632), (7, 7401880), (8, 6476645), (10, 5181316), (14, 3700940), (20, 2590658), (28, 1850470), (35, 1480376), (40, 1295329), (56, 925235), (70, 740188), (140, 370094), (211, 245560), (280, 185047), (422, 122780), (844, 61390), (877, 59080), (1055, 49112), (1477, 35080), (1688, 30695), (1754, 29540), (2110, 24556), (2954, 17540), (3508, 14770), (4220, 12278), (4385, 11816), (5908, 8770), (6139, 8440), (7016, 7385)]