1382321840

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1\times {\mathrm{509}}^1$

素因数の和:1014

約数の個数: 80

約数和(自身を含む): 3266978400

約数和(自身を除く): 1884656560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 409, 415, 509, 664, 818, 830, 1018, 1328, 1636, 1660, 2036, 2045, 2545, 3272, 3320, 4072, 4090, 5090, 6544, 6640, 8144, 8180, 10180, 16360, 20360, 32720, 33947, 40720, 42247, 67894, 84494, 135788, 168988, 169735, 208181, 211235, 271576, 337976, 339470, 416362, 422470, 543152, 675952, 678940, 832724, 844940, 1040905, 1357880, 1665448, 1689880, 2081810, 2715760, 3330896, 3379760, 4163620, 8327240, 16654480, 17279023, 34558046, 69116092, 86395115, 138232184, 172790230, 276464368, 345580460, 691160920, 1382321840]

約数ペア:

[(1, 1382321840), (2, 691160920), (4, 345580460), (5, 276464368), (8, 172790230), (10, 138232184), (16, 86395115), (20, 69116092), (40, 34558046), (80, 17279023), (83, 16654480), (166, 8327240), (332, 4163620), (409, 3379760), (415, 3330896), (509, 2715760), (664, 2081810), (818, 1689880), (830, 1665448), (1018, 1357880), (1328, 1040905), (1636, 844940), (1660, 832724), (2036, 678940), (2045, 675952), (2545, 543152), (3272, 422470), (3320, 416362), (4072, 339470), (4090, 337976), (5090, 271576), (6544, 211235), (6640, 208181), (8144, 169735), (8180, 168988), (10180, 135788), (16360, 84494), (20360, 67894), (32720, 42247), (33947, 40720)]