8398640

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{379}}^1$

素因数の和:669

約数の個数: 40

約数和(自身を含む): 19649040

約数和(自身を除く): 11250400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 379, 554, 758, 1108, 1385, 1516, 1895, 2216, 2770, 3032, 3790, 4432, 5540, 6064, 7580, 11080, 15160, 22160, 30320, 104983, 209966, 419932, 524915, 839864, 1049830, 1679728, 2099660, 4199320, 8398640]

約数ペア:

[(1, 8398640), (2, 4199320), (4, 2099660), (5, 1679728), (8, 1049830), (10, 839864), (16, 524915), (20, 419932), (40, 209966), (80, 104983), (277, 30320), (379, 22160), (554, 15160), (758, 11080), (1108, 7580), (1385, 6064), (1516, 5540), (1895, 4432), (2216, 3790), (2770, 3032)]