2078984560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{71987}}^1$

素因数の和:72038

約数の個数: 60

約数和(自身を含む): 5101501608

約数和(自身を除く): 3022517048

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2888, 3610, 5776, 7220, 14440, 28880, 71987, 143974, 287948, 359935, 575896, 719870, 1151792, 1367753, 1439740, 2735506, 2879480, 5471012, 5758960, 6838765, 10942024, 13677530, 21884048, 25987307, 27355060, 51974614, 54710120, 103949228, 109420240, 129936535, 207898456, 259873070, 415796912, 519746140, 1039492280, 2078984560]

約数ペア:

[(1, 2078984560), (2, 1039492280), (4, 519746140), (5, 415796912), (8, 259873070), (10, 207898456), (16, 129936535), (19, 109420240), (20, 103949228), (38, 54710120), (40, 51974614), (76, 27355060), (80, 25987307), (95, 21884048), (152, 13677530), (190, 10942024), (304, 6838765), (361, 5758960), (380, 5471012), (722, 2879480), (760, 2735506), (1444, 1439740), (1520, 1367753), (1805, 1151792), (2888, 719870), (3610, 575896), (5776, 359935), (7220, 287948), (14440, 143974), (28880, 71987)]