40213516

素因数分解:

$2^2\times 7^2\times {\mathrm{205171}}^1$

素因数の和:205189

約数の個数: 18

約数和(自身を含む): 81863628

約数和(自身を除く): 41650112

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 205171, 410342, 820684, 1436197, 2872394, 5744788, 10053379, 20106758, 40213516]

約数ペア:

[(1, 40213516), (2, 20106758), (4, 10053379), (7, 5744788), (14, 2872394), (28, 1436197), (49, 820684), (98, 410342), (196, 205171)]