8428640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4789}}^1$

素因数の和:4815

約数の個数: 48

約数和(自身を含む): 21727440

約数和(自身を除く): 13298800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 4789, 9578, 19156, 23945, 38312, 47890, 52679, 76624, 95780, 105358, 153248, 191560, 210716, 263395, 383120, 421432, 526790, 766240, 842864, 1053580, 1685728, 2107160, 4214320, 8428640]

約数ペア:

[(1, 8428640), (2, 4214320), (4, 2107160), (5, 1685728), (8, 1053580), (10, 842864), (11, 766240), (16, 526790), (20, 421432), (22, 383120), (32, 263395), (40, 210716), (44, 191560), (55, 153248), (80, 105358), (88, 95780), (110, 76624), (160, 52679), (176, 47890), (220, 38312), (352, 23945), (440, 19156), (880, 9578), (1760, 4789)]