78376120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{115259}}^1$

素因数の和:115287

約数の個数: 32

約数和(自身を含む): 186721200

約数和(自身を除く): 108345080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 115259, 230518, 461036, 576295, 922072, 1152590, 1959403, 2305180, 3918806, 4610360, 7837612, 9797015, 15675224, 19594030, 39188060, 78376120]

約数ペア:

[(1, 78376120), (2, 39188060), (4, 19594030), (5, 15675224), (8, 9797015), (10, 7837612), (17, 4610360), (20, 3918806), (34, 2305180), (40, 1959403), (68, 1152590), (85, 922072), (136, 576295), (170, 461036), (340, 230518), (680, 115259)]