55399540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{5009}}^1$

素因数の和:5104

約数の個数: 48

約数和(自身を含む): 134668800

約数和(自身を除く): 79269260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5009, 5530, 10018, 11060, 20036, 25045, 35063, 50090, 70126, 100180, 140252, 175315, 350630, 395711, 701260, 791422, 1582844, 1978555, 2769977, 3957110, 5539954, 7914220, 11079908, 13849885, 27699770, 55399540]

約数ペア:

[(1, 55399540), (2, 27699770), (4, 13849885), (5, 11079908), (7, 7914220), (10, 5539954), (14, 3957110), (20, 2769977), (28, 1978555), (35, 1582844), (70, 791422), (79, 701260), (140, 395711), (158, 350630), (316, 175315), (395, 140252), (553, 100180), (790, 70126), (1106, 50090), (1580, 35063), (2212, 25045), (2765, 20036), (5009, 11060), (5530, 10018)]