131340920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4019}}^1$

素因数の和:4092

約数の個数: 64

約数和(自身を含む): 318384000

約数和(自身を除く): 187043080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4019, 4085, 6536, 8038, 8170, 16076, 16340, 20095, 32152, 32680, 40190, 76361, 80380, 152722, 160760, 172817, 305444, 345634, 381805, 610888, 691268, 763610, 864085, 1382536, 1527220, 1728170, 3054440, 3283523, 3456340, 6567046, 6912680, 13134092, 16417615, 26268184, 32835230, 65670460, 131340920]

約数ペア:

[(1, 131340920), (2, 65670460), (4, 32835230), (5, 26268184), (8, 16417615), (10, 13134092), (19, 6912680), (20, 6567046), (38, 3456340), (40, 3283523), (43, 3054440), (76, 1728170), (86, 1527220), (95, 1382536), (152, 864085), (172, 763610), (190, 691268), (215, 610888), (344, 381805), (380, 345634), (430, 305444), (760, 172817), (817, 160760), (860, 152722), (1634, 80380), (1720, 76361), (3268, 40190), (4019, 32680), (4085, 32152), (6536, 20095), (8038, 16340), (8170, 16076)]