39940280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52553}}^1$

素因数の和:52583

約数の個数: 32

約数和(自身を含む): 94597200

約数和(自身を除く): 54656920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 52553, 105106, 210212, 262765, 420424, 525530, 998507, 1051060, 1997014, 2102120, 3994028, 4992535, 7988056, 9985070, 19970140, 39940280]

約数ペア:

[(1, 39940280), (2, 19970140), (4, 9985070), (5, 7988056), (8, 4992535), (10, 3994028), (19, 2102120), (20, 1997014), (38, 1051060), (40, 998507), (76, 525530), (95, 420424), (152, 262765), (190, 210212), (380, 105106), (760, 52553)]