61782640

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4919}}^1$

素因数の和:5089

約数の個数: 40

約数和(自身を含む): 144588960

約数和(自身を除く): 82806320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 4919, 6280, 9838, 12560, 19676, 24595, 39352, 49190, 78704, 98380, 196760, 393520, 772283, 1544566, 3089132, 3861415, 6178264, 7722830, 12356528, 15445660, 30891320, 61782640]

約数ペア:

[(1, 61782640), (2, 30891320), (4, 15445660), (5, 12356528), (8, 7722830), (10, 6178264), (16, 3861415), (20, 3089132), (40, 1544566), (80, 772283), (157, 393520), (314, 196760), (628, 98380), (785, 78704), (1256, 49190), (1570, 39352), (2512, 24595), (3140, 19676), (4919, 12560), (6280, 9838)]