7780640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{6947}}^1$

素因数の和:6969

約数の個数: 48

約数和(自身を含む): 21010752

約数和(自身を除く): 13230112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 6947, 13894, 27788, 34735, 48629, 55576, 69470, 97258, 111152, 138940, 194516, 222304, 243145, 277880, 389032, 486290, 555760, 778064, 972580, 1111520, 1556128, 1945160, 3890320, 7780640]

約数ペア:

[(1, 7780640), (2, 3890320), (4, 1945160), (5, 1556128), (7, 1111520), (8, 972580), (10, 778064), (14, 555760), (16, 486290), (20, 389032), (28, 277880), (32, 243145), (35, 222304), (40, 194516), (56, 138940), (70, 111152), (80, 97258), (112, 69470), (140, 55576), (160, 48629), (224, 34735), (280, 27788), (560, 13894), (1120, 6947)]