64354060

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{7643}}^1$

素因数の和:8073

約数の個数: 24

約数和(自身を含む): 135482256

約数和(自身を除く): 71128196

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 7643, 8420, 15286, 30572, 38215, 76430, 152860, 3217703, 6435406, 12870812, 16088515, 32177030, 64354060]

約数ペア:

[(1, 64354060), (2, 32177030), (4, 16088515), (5, 12870812), (10, 6435406), (20, 3217703), (421, 152860), (842, 76430), (1684, 38215), (2105, 30572), (4210, 15286), (7643, 8420)]