28050560

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1069}}^1$

素因数の和:1129

約数の個数: 64

約数和(自身を含む): 68758200

約数和(自身を除く): 40707640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1069, 1312, 1640, 2138, 2624, 3280, 4276, 5248, 5345, 6560, 8552, 10690, 13120, 17104, 21380, 26240, 34208, 42760, 43829, 68416, 85520, 87658, 136832, 171040, 175316, 219145, 342080, 350632, 438290, 684160, 701264, 876580, 1402528, 1753160, 2805056, 3506320, 5610112, 7012640, 14025280, 28050560]

約数ペア:

[(1, 28050560), (2, 14025280), (4, 7012640), (5, 5610112), (8, 3506320), (10, 2805056), (16, 1753160), (20, 1402528), (32, 876580), (40, 701264), (41, 684160), (64, 438290), (80, 350632), (82, 342080), (128, 219145), (160, 175316), (164, 171040), (205, 136832), (320, 87658), (328, 85520), (410, 68416), (640, 43829), (656, 42760), (820, 34208), (1069, 26240), (1312, 21380), (1640, 17104), (2138, 13120), (2624, 10690), (3280, 8552), (4276, 6560), (5248, 5345)]