31205120

素因数分解:

$2^8\times 5^1\times {\mathrm{24379}}^1$

素因数の和:24400

約数の個数: 36

約数和(自身を含む): 74749080

約数和(自身を除く): 43543960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 24379, 48758, 97516, 121895, 195032, 243790, 390064, 487580, 780128, 975160, 1560256, 1950320, 3120512, 3900640, 6241024, 7801280, 15602560, 31205120]

約数ペア:

[(1, 31205120), (2, 15602560), (4, 7801280), (5, 6241024), (8, 3900640), (10, 3120512), (16, 1950320), (20, 1560256), (32, 975160), (40, 780128), (64, 487580), (80, 390064), (128, 243790), (160, 195032), (256, 121895), (320, 97516), (640, 48758), (1280, 24379)]