39119990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42989}}^1$

素因数の和:43016

約数の個数: 32

約数和(自身を含む): 86667840

約数和(自身を除く): 47547850

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 42989, 85978, 214945, 300923, 429890, 558857, 601846, 1117714, 1504615, 2794285, 3009230, 3911999, 5588570, 7823998, 19559995, 39119990]

約数ペア:

[(1, 39119990), (2, 19559995), (5, 7823998), (7, 5588570), (10, 3911999), (13, 3009230), (14, 2794285), (26, 1504615), (35, 1117714), (65, 601846), (70, 558857), (91, 429890), (130, 300923), (182, 214945), (455, 85978), (910, 42989)]