40991536

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{20173}}^1$

素因数の和:20308

約数の個数: 20

約数和(自身を含む): 80050432

約数和(自身を除く): 39058896

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 20173, 40346, 80692, 161384, 322768, 2561971, 5123942, 10247884, 20495768, 40991536]

約数ペア:

[(1, 40991536), (2, 20495768), (4, 10247884), (8, 5123942), (16, 2561971), (127, 322768), (254, 161384), (508, 80692), (1016, 40346), (2032, 20173)]