881755480

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1\times {\mathrm{761}}^1$

素因数の和:1204

約数の個数: 64

約数和(自身を含む): 2016252000

約数和(自身を除く): 1134496520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 349, 415, 664, 698, 761, 830, 1396, 1522, 1660, 1745, 2792, 3044, 3320, 3490, 3805, 6088, 6980, 7610, 13960, 15220, 28967, 30440, 57934, 63163, 115868, 126326, 144835, 231736, 252652, 265589, 289670, 315815, 505304, 531178, 579340, 631630, 1062356, 1158680, 1263260, 1327945, 2124712, 2526520, 2655890, 5311780, 10623560, 22043887, 44087774, 88175548, 110219435, 176351096, 220438870, 440877740, 881755480]

約数ペア:

[(1, 881755480), (2, 440877740), (4, 220438870), (5, 176351096), (8, 110219435), (10, 88175548), (20, 44087774), (40, 22043887), (83, 10623560), (166, 5311780), (332, 2655890), (349, 2526520), (415, 2124712), (664, 1327945), (698, 1263260), (761, 1158680), (830, 1062356), (1396, 631630), (1522, 579340), (1660, 531178), (1745, 505304), (2792, 315815), (3044, 289670), (3320, 265589), (3490, 252652), (3805, 231736), (6088, 144835), (6980, 126326), (7610, 115868), (13960, 63163), (15220, 57934), (28967, 30440)]