138823520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{78877}}^1$

素因数の和:78903

約数の個数: 48

約数和(自身を含む): 357790608

約数和(自身を除く): 218967088

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, 78877, 157754, 315508, 394385, 631016, 788770, 867647, 1262032, 1577540, 1735294, 2524064, 3155080, 3470588, 4338235, 6310160, 6941176, 8676470, 12620320, 13882352, 17352940, 27764704, 34705880, 69411760, 138823520]

約数ペア:

[(1, 138823520), (2, 69411760), (4, 34705880), (5, 27764704), (8, 17352940), (10, 13882352), (11, 12620320), (16, 8676470), (20, 6941176), (22, 6310160), (32, 4338235), (40, 3470588), (44, 3155080), (55, 2524064), (80, 1735294), (88, 1577540), (110, 1262032), (160, 867647), (176, 788770), (220, 631016), (352, 394385), (440, 315508), (880, 157754), (1760, 78877)]