81210464

素因数分解:

$2^5\times {\mathrm{101}}^1\times {\mathrm{25127}}^1$

素因数の和:25238

約数の個数: 24

約数和(自身を含む): 161472528

約数和(自身を除く): 80262064

約数列:

[1, 2, 4, 8, 16, 32, 101, 202, 404, 808, 1616, 3232, 25127, 50254, 100508, 201016, 402032, 804064, 2537827, 5075654, 10151308, 20302616, 40605232, 81210464]

約数ペア:

[(1, 81210464), (2, 40605232), (4, 20302616), (8, 10151308), (16, 5075654), (32, 2537827), (101, 804064), (202, 402032), (404, 201016), (808, 100508), (1616, 50254), (3232, 25127)]