80411990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{423221}}^1$

素因数の和:423247

約数の個数: 16

約数和(自身を含む): 152359920

約数和(自身を除く): 71947930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 423221, 846442, 2116105, 4232210, 8041199, 16082398, 40205995, 80411990]

約数ペア:

[(1, 80411990), (2, 40205995), (5, 16082398), (10, 8041199), (19, 4232210), (38, 2116105), (95, 846442), (190, 423221)]