4781840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{8539}}^1$

素因数の和:8559

約数の個数: 40

約数和(自身を含む): 12707520

約数和(自身を除く): 7925680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 8539, 17078, 34156, 42695, 59773, 68312, 85390, 119546, 136624, 170780, 239092, 298865, 341560, 478184, 597730, 683120, 956368, 1195460, 2390920, 4781840]

約数ペア:

[(1, 4781840), (2, 2390920), (4, 1195460), (5, 956368), (7, 683120), (8, 597730), (10, 478184), (14, 341560), (16, 298865), (20, 239092), (28, 170780), (35, 136624), (40, 119546), (56, 85390), (70, 68312), (80, 59773), (112, 42695), (140, 34156), (280, 17078), (560, 8539)]