86185420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{81307}}^1$

素因数の和:81369

約数の個数: 24

約数和(自身を含む): 184406544

約数和(自身を除く): 98221124

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 81307, 162614, 325228, 406535, 813070, 1626140, 4309271, 8618542, 17237084, 21546355, 43092710, 86185420]

約数ペア:

[(1, 86185420), (2, 43092710), (4, 21546355), (5, 17237084), (10, 8618542), (20, 4309271), (53, 1626140), (106, 813070), (212, 406535), (265, 325228), (530, 162614), (1060, 81307)]