158571440

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4943}}^1$

素因数の和:5357

約数の個数: 40

約数和(自身を含む): 369672768

約数和(自身を除く): 211101328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1604, 2005, 3208, 4010, 4943, 6416, 8020, 9886, 16040, 19772, 24715, 32080, 39544, 49430, 79088, 98860, 197720, 395440, 1982143, 3964286, 7928572, 9910715, 15857144, 19821430, 31714288, 39642860, 79285720, 158571440]

約数ペア:

[(1, 158571440), (2, 79285720), (4, 39642860), (5, 31714288), (8, 19821430), (10, 15857144), (16, 9910715), (20, 7928572), (40, 3964286), (80, 1982143), (401, 395440), (802, 197720), (1604, 98860), (2005, 79088), (3208, 49430), (4010, 39544), (4943, 32080), (6416, 24715), (8020, 19772), (9886, 16040)]