8398480

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1721}}^1$

素因数の和:1795

約数の個数: 40

約数和(自身を含む): 19858104

約数和(自身を除く): 11459624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1721, 2440, 3442, 4880, 6884, 8605, 13768, 17210, 27536, 34420, 68840, 104981, 137680, 209962, 419924, 524905, 839848, 1049810, 1679696, 2099620, 4199240, 8398480]

約数ペア:

[(1, 8398480), (2, 4199240), (4, 2099620), (5, 1679696), (8, 1049810), (10, 839848), (16, 524905), (20, 419924), (40, 209962), (61, 137680), (80, 104981), (122, 68840), (244, 34420), (305, 27536), (488, 17210), (610, 13768), (976, 8605), (1220, 6884), (1721, 4880), (2440, 3442)]