51001840

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7681}}^1$

素因数の和:7777

約数の個数: 40

約数和(自身を含む): 120023568

約数和(自身を除く): 69021728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 7681, 15362, 30724, 38405, 61448, 76810, 122896, 153620, 307240, 614480, 637523, 1275046, 2550092, 3187615, 5100184, 6375230, 10200368, 12750460, 25500920, 51001840]

約数ペア:

[(1, 51001840), (2, 25500920), (4, 12750460), (5, 10200368), (8, 6375230), (10, 5100184), (16, 3187615), (20, 2550092), (40, 1275046), (80, 637523), (83, 614480), (166, 307240), (332, 153620), (415, 122896), (664, 76810), (830, 61448), (1328, 38405), (1660, 30724), (3320, 15362), (6640, 7681)]