67680880

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10709}}^1$

素因数の和:10801

約数の個数: 40

約数和(自身を含む): 159364800

約数和(自身を除く): 91683920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 10709, 21418, 42836, 53545, 85672, 107090, 171344, 214180, 428360, 846011, 856720, 1692022, 3384044, 4230055, 6768088, 8460110, 13536176, 16920220, 33840440, 67680880]

約数ペア:

[(1, 67680880), (2, 33840440), (4, 16920220), (5, 13536176), (8, 8460110), (10, 6768088), (16, 4230055), (20, 3384044), (40, 1692022), (79, 856720), (80, 846011), (158, 428360), (316, 214180), (395, 171344), (632, 107090), (790, 85672), (1264, 53545), (1580, 42836), (3160, 21418), (6320, 10709)]