83721340

素因数分解:

$2^2\times 5^1\times {\mathrm{2039}}^1\times {\mathrm{2053}}^1$

素因数の和:4101

約数の個数: 24

約数和(自身を含む): 175986720

約数和(自身を除く): 92265380

約数列:

[1, 2, 4, 5, 10, 20, 2039, 2053, 4078, 4106, 8156, 8212, 10195, 10265, 20390, 20530, 40780, 41060, 4186067, 8372134, 16744268, 20930335, 41860670, 83721340]

約数ペア:

[(1, 83721340), (2, 41860670), (4, 20930335), (5, 16744268), (10, 8372134), (20, 4186067), (2039, 41060), (2053, 40780), (4078, 20530), (4106, 20390), (8156, 10265), (8212, 10195)]