64775680

素因数分解:

$2^9\times 5^1\times {\mathrm{25303}}^1$

素因数の和:25326

約数の個数: 40

約数和(自身を含む): 155315952

約数和(自身を除く): 90540272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 25303, 50606, 101212, 126515, 202424, 253030, 404848, 506060, 809696, 1012120, 1619392, 2024240, 3238784, 4048480, 6477568, 8096960, 12955136, 16193920, 32387840, 64775680]

約数ペア:

[(1, 64775680), (2, 32387840), (4, 16193920), (5, 12955136), (8, 8096960), (10, 6477568), (16, 4048480), (20, 3238784), (32, 2024240), (40, 1619392), (64, 1012120), (80, 809696), (128, 506060), (160, 404848), (256, 253030), (320, 202424), (512, 126515), (640, 101212), (1280, 50606), (2560, 25303)]