1146640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1303}}^1$

素因数の和:1327

約数の個数: 40

約数和(自身を含む): 2910528

約数和(自身を除く): 1763888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1303, 2606, 5212, 6515, 10424, 13030, 14333, 20848, 26060, 28666, 52120, 57332, 71665, 104240, 114664, 143330, 229328, 286660, 573320, 1146640]

約数ペア:

[(1, 1146640), (2, 573320), (4, 286660), (5, 229328), (8, 143330), (10, 114664), (11, 104240), (16, 71665), (20, 57332), (22, 52120), (40, 28666), (44, 26060), (55, 20848), (80, 14333), (88, 13030), (110, 10424), (176, 6515), (220, 5212), (440, 2606), (880, 1303)]