13763440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4001}}^1$

素因数の和:4057

約数の個数: 40

約数和(自身を含む): 32752368

約数和(自身を除く): 18988928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 4001, 8002, 16004, 20005, 32008, 40010, 64016, 80020, 160040, 172043, 320080, 344086, 688172, 860215, 1376344, 1720430, 2752688, 3440860, 6881720, 13763440]

約数ペア:

[(1, 13763440), (2, 6881720), (4, 3440860), (5, 2752688), (8, 1720430), (10, 1376344), (16, 860215), (20, 688172), (40, 344086), (43, 320080), (80, 172043), (86, 160040), (172, 80020), (215, 64016), (344, 40010), (430, 32008), (688, 20005), (860, 16004), (1720, 8002), (3440, 4001)]