68352020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{3203}}^1$

素因数の和:3320

約数の個数: 48

約数和(自身を含む): 158251968

約数和(自身を除く): 89899948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 2134, 3203, 4268, 5335, 6406, 10670, 12812, 16015, 21340, 32030, 35233, 64060, 70466, 140932, 176165, 310691, 352330, 621382, 704660, 1242764, 1553455, 3106910, 3417601, 6213820, 6835202, 13670404, 17088005, 34176010, 68352020]

約数ペア:

[(1, 68352020), (2, 34176010), (4, 17088005), (5, 13670404), (10, 6835202), (11, 6213820), (20, 3417601), (22, 3106910), (44, 1553455), (55, 1242764), (97, 704660), (110, 621382), (194, 352330), (220, 310691), (388, 176165), (485, 140932), (970, 70466), (1067, 64060), (1940, 35233), (2134, 32030), (3203, 21340), (4268, 16015), (5335, 12812), (6406, 10670)]