8387840

素因数分解:

$2^8\times 5^1\times {\mathrm{6553}}^1$

素因数の和:6574

約数の個数: 36

約数和(自身を含む): 20094564

約数和(自身を除く): 11706724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 6553, 13106, 26212, 32765, 52424, 65530, 104848, 131060, 209696, 262120, 419392, 524240, 838784, 1048480, 1677568, 2096960, 4193920, 8387840]

約数ペア:

[(1, 8387840), (2, 4193920), (4, 2096960), (5, 1677568), (8, 1048480), (10, 838784), (16, 524240), (20, 419392), (32, 262120), (40, 209696), (64, 131060), (80, 104848), (128, 65530), (160, 52424), (256, 32765), (320, 26212), (640, 13106), (1280, 6553)]