16508720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10861}}^1$

素因数の和:10893

約数の個数: 40

約数和(自身を含む): 40406640

約数和(自身を除く): 23897920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 10861, 21722, 43444, 54305, 86888, 108610, 173776, 206359, 217220, 412718, 434440, 825436, 868880, 1031795, 1650872, 2063590, 3301744, 4127180, 8254360, 16508720]

約数ペア:

[(1, 16508720), (2, 8254360), (4, 4127180), (5, 3301744), (8, 2063590), (10, 1650872), (16, 1031795), (19, 868880), (20, 825436), (38, 434440), (40, 412718), (76, 217220), (80, 206359), (95, 173776), (152, 108610), (190, 86888), (304, 54305), (380, 43444), (760, 21722), (1520, 10861)]