78943420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{58913}}^1$

素因数の和:58989

約数の個数: 24

約数和(自身を含む): 168258384

約数和(自身を除く): 89314964

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 58913, 117826, 235652, 294565, 589130, 1178260, 3947171, 7894342, 15788684, 19735855, 39471710, 78943420]

約数ペア:

[(1, 78943420), (2, 39471710), (4, 19735855), (5, 15788684), (10, 7894342), (20, 3947171), (67, 1178260), (134, 589130), (268, 294565), (335, 235652), (670, 117826), (1340, 58913)]