66948640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{38039}}^1$

素因数の和:38065

約数の個数: 48

約数和(自身を含む): 172549440

約数和(自身を除く): 105600800

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, 38039, 76078, 152156, 190195, 304312, 380390, 418429, 608624, 760780, 836858, 1217248, 1521560, 1673716, 2092145, 3043120, 3347432, 4184290, 6086240, 6694864, 8368580, 13389728, 16737160, 33474320, 66948640]

約数ペア:

[(1, 66948640), (2, 33474320), (4, 16737160), (5, 13389728), (8, 8368580), (10, 6694864), (11, 6086240), (16, 4184290), (20, 3347432), (22, 3043120), (32, 2092145), (40, 1673716), (44, 1521560), (55, 1217248), (80, 836858), (88, 760780), (110, 608624), (160, 418429), (176, 380390), (220, 304312), (352, 190195), (440, 152156), (880, 76078), (1760, 38039)]