65331440

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{8419}}^1$

素因数の和:8529

約数の個数: 40

約数和(自身を含む): 153479760

約数和(自身を除く): 88148320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 8419, 16838, 33676, 42095, 67352, 84190, 134704, 168380, 336760, 673520, 816643, 1633286, 3266572, 4083215, 6533144, 8166430, 13066288, 16332860, 32665720, 65331440]

約数ペア:

[(1, 65331440), (2, 32665720), (4, 16332860), (5, 13066288), (8, 8166430), (10, 6533144), (16, 4083215), (20, 3266572), (40, 1633286), (80, 816643), (97, 673520), (194, 336760), (388, 168380), (485, 134704), (776, 84190), (970, 67352), (1552, 42095), (1940, 33676), (3880, 16838), (7760, 8419)]