20131038460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{140521}}^1$

素因数の和:140591

約数の個数: 96

約数和(自身を含む): 49576161600

約数和(自身を除く): 29445123140

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 29, 38, 52, 58, 65, 76, 95, 116, 130, 145, 190, 247, 260, 290, 377, 380, 494, 551, 580, 754, 988, 1102, 1235, 1508, 1885, 2204, 2470, 2755, 3770, 4940, 5510, 7163, 7540, 11020, 14326, 28652, 35815, 71630, 140521, 143260, 281042, 562084, 702605, 1405210, 1826773, 2669899, 2810420, 3653546, 4075109, 5339798, 7307092, 8150218, 9133865, 10679596, 13349495, 16300436, 18267730, 20375545, 26698990, 34708687, 36535460, 40751090, 52976417, 53397980, 69417374, 77427071, 81502180, 105952834, 138834748, 154854142, 173543435, 211905668, 264882085, 309708284, 347086870, 387135355, 529764170, 694173740, 774270710, 1006551923, 1059528340, 1548541420, 2013103846, 4026207692, 5032759615, 10065519230, 20131038460]

約数ペア:

[(1, 20131038460), (2, 10065519230), (4, 5032759615), (5, 4026207692), (10, 2013103846), (13, 1548541420), (19, 1059528340), (20, 1006551923), (26, 774270710), (29, 694173740), (38, 529764170), (52, 387135355), (58, 347086870), (65, 309708284), (76, 264882085), (95, 211905668), (116, 173543435), (130, 154854142), (145, 138834748), (190, 105952834), (247, 81502180), (260, 77427071), (290, 69417374), (377, 53397980), (380, 52976417), (494, 40751090), (551, 36535460), (580, 34708687), (754, 26698990), (988, 20375545), (1102, 18267730), (1235, 16300436), (1508, 13349495), (1885, 10679596), (2204, 9133865), (2470, 8150218), (2755, 7307092), (3770, 5339798), (4940, 4075109), (5510, 3653546), (7163, 2810420), (7540, 2669899), (11020, 1826773), (14326, 1405210), (28652, 702605), (35815, 562084), (71630, 281042), (140521, 143260)]