40625990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{213821}}^1$

素因数の和:213847

約数の個数: 16

約数和(自身を含む): 76975920

約数和(自身を除く): 36349930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 213821, 427642, 1069105, 2138210, 4062599, 8125198, 20312995, 40625990]

約数ペア:

[(1, 40625990), (2, 20312995), (5, 8125198), (10, 4062599), (19, 2138210), (38, 1069105), (95, 427642), (190, 213821)]