71268280

素因数分解:

$2^3\times 5^1\times {\mathrm{1781707}}^1$

素因数の和:1781718

約数の個数: 16

約数和(自身を含む): 160353720

約数和(自身を除く): 89085440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1781707, 3563414, 7126828, 8908535, 14253656, 17817070, 35634140, 71268280]

約数ペア:

[(1, 71268280), (2, 35634140), (4, 17817070), (5, 14253656), (8, 8908535), (10, 7126828), (20, 3563414), (40, 1781707)]