198438160

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{16427}}^1$

素因数の和:16591

約数の個数: 40

約数和(自身を含む): 464452416

約数和(自身を除く): 266014256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 3020, 6040, 12080, 16427, 32854, 65708, 82135, 131416, 164270, 262832, 328540, 657080, 1314160, 2480477, 4960954, 9921908, 12402385, 19843816, 24804770, 39687632, 49609540, 99219080, 198438160]

約数ペア:

[(1, 198438160), (2, 99219080), (4, 49609540), (5, 39687632), (8, 24804770), (10, 19843816), (16, 12402385), (20, 9921908), (40, 4960954), (80, 2480477), (151, 1314160), (302, 657080), (604, 328540), (755, 262832), (1208, 164270), (1510, 131416), (2416, 82135), (3020, 65708), (6040, 32854), (12080, 16427)]