2030326888720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1\times {\mathrm{976607}}^1$

素因数の和:978632

約数の個数: 80

約数和(自身を含む): 5086174464000

約数和(自身を除く): 3055847575280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1999, 3998, 7996, 9995, 15992, 19990, 25987, 31984, 39980, 51974, 79960, 103948, 129935, 159920, 207896, 259870, 415792, 519740, 976607, 1039480, 1953214, 2078960, 3906428, 4883035, 7812856, 9766070, 12695891, 15625712, 19532140, 25391782, 39064280, 50783564, 63479455, 78128560, 101567128, 126958910, 203134256, 253917820, 507835640, 1015671280, 1952237393, 3904474786, 7808949572, 9761186965, 15617899144, 19522373930, 25379086109, 31235798288, 39044747860, 50758172218, 78089495720, 101516344436, 126895430545, 156178991440, 203032688872, 253790861090, 406065377744, 507581722180, 1015163444360, 2030326888720]

約数ペア:

[(1, 2030326888720), (2, 1015163444360), (4, 507581722180), (5, 406065377744), (8, 253790861090), (10, 203032688872), (13, 156178991440), (16, 126895430545), (20, 101516344436), (26, 78089495720), (40, 50758172218), (52, 39044747860), (65, 31235798288), (80, 25379086109), (104, 19522373930), (130, 15617899144), (208, 9761186965), (260, 7808949572), (520, 3904474786), (1040, 1952237393), (1999, 1015671280), (3998, 507835640), (7996, 253917820), (9995, 203134256), (15992, 126958910), (19990, 101567128), (25987, 78128560), (31984, 63479455), (39980, 50783564), (51974, 39064280), (79960, 25391782), (103948, 19532140), (129935, 15625712), (159920, 12695891), (207896, 9766070), (259870, 7812856), (415792, 4883035), (519740, 3906428), (976607, 2078960), (1039480, 1953214)]