25502440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14827}}^1$

素因数の和:14881

約数の個数: 32

約数和(自身を含む): 58718880

約数和(自身を除く): 33216440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 14827, 29654, 59308, 74135, 118616, 148270, 296540, 593080, 637561, 1275122, 2550244, 3187805, 5100488, 6375610, 12751220, 25502440]

約数ペア:

[(1, 25502440), (2, 12751220), (4, 6375610), (5, 5100488), (8, 3187805), (10, 2550244), (20, 1275122), (40, 637561), (43, 593080), (86, 296540), (172, 148270), (215, 118616), (344, 74135), (430, 59308), (860, 29654), (1720, 14827)]