68012020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2011}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 152107200

約数和(自身を除く): 84095180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 2011, 3382, 4022, 6764, 8044, 8455, 10055, 16910, 20110, 33820, 38209, 40220, 76418, 152836, 178979, 191045, 357958, 382090, 715916, 764180, 894895, 1789790, 3400601, 3579580, 6801202, 13602404, 17003005, 34006010, 68012020]

約数ペア:

[(1, 68012020), (2, 34006010), (4, 17003005), (5, 13602404), (10, 6801202), (19, 3579580), (20, 3400601), (38, 1789790), (76, 894895), (89, 764180), (95, 715916), (178, 382090), (190, 357958), (356, 191045), (380, 178979), (445, 152836), (890, 76418), (1691, 40220), (1780, 38209), (2011, 33820), (3382, 20110), (4022, 16910), (6764, 10055), (8044, 8455)]