137881360

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 331978752

約数和(自身を除く): 194097392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 127, 164, 205, 254, 328, 331, 410, 508, 635, 656, 662, 820, 1016, 1270, 1324, 1640, 1655, 2032, 2540, 2648, 3280, 3310, 5080, 5207, 5296, 6620, 10160, 10414, 13240, 13571, 20828, 26035, 26480, 27142, 41656, 42037, 52070, 54284, 67855, 83312, 84074, 104140, 108568, 135710, 168148, 208280, 210185, 217136, 271420, 336296, 416560, 420370, 542840, 672592, 840740, 1085680, 1681480, 1723517, 3362960, 3447034, 6894068, 8617585, 13788136, 17235170, 27576272, 34470340, 68940680, 137881360]

約数ペア:

[(1, 137881360), (2, 68940680), (4, 34470340), (5, 27576272), (8, 17235170), (10, 13788136), (16, 8617585), (20, 6894068), (40, 3447034), (41, 3362960), (80, 1723517), (82, 1681480), (127, 1085680), (164, 840740), (205, 672592), (254, 542840), (328, 420370), (331, 416560), (410, 336296), (508, 271420), (635, 217136), (656, 210185), (662, 208280), (820, 168148), (1016, 135710), (1270, 108568), (1324, 104140), (1640, 84074), (1655, 83312), (2032, 67855), (2540, 54284), (2648, 52070), (3280, 42037), (3310, 41656), (5080, 27142), (5207, 26480), (5296, 26035), (6620, 20828), (10160, 13571), (10414, 13240)]