64098640

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7933}}^1$

素因数の和:8047

約数の個数: 40

約数和(自身を含む): 150523848

約数和(自身を除く): 86425208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 7933, 8080, 15866, 31732, 39665, 63464, 79330, 126928, 158660, 317320, 634640, 801233, 1602466, 3204932, 4006165, 6409864, 8012330, 12819728, 16024660, 32049320, 64098640]

約数ペア:

[(1, 64098640), (2, 32049320), (4, 16024660), (5, 12819728), (8, 8012330), (10, 6409864), (16, 4006165), (20, 3204932), (40, 1602466), (80, 801233), (101, 634640), (202, 317320), (404, 158660), (505, 126928), (808, 79330), (1010, 63464), (1616, 39665), (2020, 31732), (4040, 15866), (7933, 8080)]