7806040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 19452960

約数和(自身を除く): 11646920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 157, 220, 226, 314, 440, 452, 565, 628, 785, 904, 1130, 1243, 1256, 1570, 1727, 2260, 2486, 3140, 3454, 4520, 4972, 6215, 6280, 6908, 8635, 9944, 12430, 13816, 17270, 17741, 24860, 34540, 35482, 49720, 69080, 70964, 88705, 141928, 177410, 195151, 354820, 390302, 709640, 780604, 975755, 1561208, 1951510, 3903020, 7806040]

約数ペア:

[(1, 7806040), (2, 3903020), (4, 1951510), (5, 1561208), (8, 975755), (10, 780604), (11, 709640), (20, 390302), (22, 354820), (40, 195151), (44, 177410), (55, 141928), (88, 88705), (110, 70964), (113, 69080), (157, 49720), (220, 35482), (226, 34540), (314, 24860), (440, 17741), (452, 17270), (565, 13816), (628, 12430), (785, 9944), (904, 8635), (1130, 6908), (1243, 6280), (1256, 6215), (1570, 4972), (1727, 4520), (2260, 3454), (2486, 3140)]