65665120

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4231}}^1$

素因数の和:4343

約数の個数: 48

約数和(自身を含む): 156770208

約数和(自身を除く): 91105088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 4231, 7760, 8462, 15520, 16924, 21155, 33848, 42310, 67696, 84620, 135392, 169240, 338480, 410407, 676960, 820814, 1641628, 2052035, 3283256, 4104070, 6566512, 8208140, 13133024, 16416280, 32832560, 65665120]

約数ペア:

[(1, 65665120), (2, 32832560), (4, 16416280), (5, 13133024), (8, 8208140), (10, 6566512), (16, 4104070), (20, 3283256), (32, 2052035), (40, 1641628), (80, 820814), (97, 676960), (160, 410407), (194, 338480), (388, 169240), (485, 135392), (776, 84620), (970, 67696), (1552, 42310), (1940, 33848), (3104, 21155), (3880, 16924), (4231, 15520), (7760, 8462)]