8871440

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{641}}^1$

素因数の和:827

約数の個数: 40

約数和(自身を含む): 20777688

約数和(自身を除く): 11906248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 641, 692, 865, 1282, 1384, 1730, 2564, 2768, 3205, 3460, 5128, 6410, 6920, 10256, 12820, 13840, 25640, 51280, 110893, 221786, 443572, 554465, 887144, 1108930, 1774288, 2217860, 4435720, 8871440]

約数ペア:

[(1, 8871440), (2, 4435720), (4, 2217860), (5, 1774288), (8, 1108930), (10, 887144), (16, 554465), (20, 443572), (40, 221786), (80, 110893), (173, 51280), (346, 25640), (641, 13840), (692, 12820), (865, 10256), (1282, 6920), (1384, 6410), (1730, 5128), (2564, 3460), (2768, 3205)]