1970672080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{3637}}^1$

素因数の和:4184

約数の個数: 80

約数和(自身を含む): 4945089744

約数和(自身を除く): 2974417664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 521, 1040, 1042, 2084, 2605, 3637, 4168, 5210, 6773, 7274, 8336, 10420, 13546, 14548, 18185, 20840, 27092, 29096, 33865, 36370, 41680, 47281, 54184, 58192, 67730, 72740, 94562, 108368, 135460, 145480, 189124, 236405, 270920, 290960, 378248, 472810, 541840, 756496, 945620, 1891240, 1894877, 3782480, 3789754, 7579508, 9474385, 15159016, 18948770, 24633401, 30318032, 37897540, 49266802, 75795080, 98533604, 123167005, 151590160, 197067208, 246334010, 394134416, 492668020, 985336040, 1970672080]

約数ペア:

[(1, 1970672080), (2, 985336040), (4, 492668020), (5, 394134416), (8, 246334010), (10, 197067208), (13, 151590160), (16, 123167005), (20, 98533604), (26, 75795080), (40, 49266802), (52, 37897540), (65, 30318032), (80, 24633401), (104, 18948770), (130, 15159016), (208, 9474385), (260, 7579508), (520, 3789754), (521, 3782480), (1040, 1894877), (1042, 1891240), (2084, 945620), (2605, 756496), (3637, 541840), (4168, 472810), (5210, 378248), (6773, 290960), (7274, 270920), (8336, 236405), (10420, 189124), (13546, 145480), (14548, 135460), (18185, 108368), (20840, 94562), (27092, 72740), (29096, 67730), (33865, 58192), (36370, 54184), (41680, 47281)]