28198160

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8597}}^1$

素因数の和:8651

約数の個数: 40

約数和(自身を含む): 67167576

約数和(自身を除く): 38969416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 8597, 17194, 34388, 42985, 68776, 85970, 137552, 171940, 343880, 352477, 687760, 704954, 1409908, 1762385, 2819816, 3524770, 5639632, 7049540, 14099080, 28198160]

約数ペア:

[(1, 28198160), (2, 14099080), (4, 7049540), (5, 5639632), (8, 3524770), (10, 2819816), (16, 1762385), (20, 1409908), (40, 704954), (41, 687760), (80, 352477), (82, 343880), (164, 171940), (205, 137552), (328, 85970), (410, 68776), (656, 42985), (820, 34388), (1640, 17194), (3280, 8597)]