39278920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11831}}^1$

素因数の和:11925

約数の個数: 32

約数和(自身を含む): 89449920

約数和(自身を除く): 50171000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 11831, 23662, 47324, 59155, 94648, 118310, 236620, 473240, 981973, 1963946, 3927892, 4909865, 7855784, 9819730, 19639460, 39278920]

約数ペア:

[(1, 39278920), (2, 19639460), (4, 9819730), (5, 7855784), (8, 4909865), (10, 3927892), (20, 1963946), (40, 981973), (83, 473240), (166, 236620), (332, 118310), (415, 94648), (664, 59155), (830, 47324), (1660, 23662), (3320, 11831)]