27443980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{72221}}^1$

素因数の和:72249

約数の個数: 24

約数和(自身を含む): 60666480

約数和(自身を除く): 33222500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 72221, 144442, 288884, 361105, 722210, 1372199, 1444420, 2744398, 5488796, 6860995, 13721990, 27443980]

約数ペア:

[(1, 27443980), (2, 13721990), (4, 6860995), (5, 5488796), (10, 2744398), (19, 1444420), (20, 1372199), (38, 722210), (76, 361105), (95, 288884), (190, 144442), (380, 72221)]