3121280

素因数分解:

$2^7\times 5^1\times {\mathrm{4877}}^1$

素因数の和:4896

約数の個数: 32

約数和(自身を含む): 7463340

約数和(自身を除く): 4342060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 4877, 9754, 19508, 24385, 39016, 48770, 78032, 97540, 156064, 195080, 312128, 390160, 624256, 780320, 1560640, 3121280]

約数ペア:

[(1, 3121280), (2, 1560640), (4, 780320), (5, 624256), (8, 390160), (10, 312128), (16, 195080), (20, 156064), (32, 97540), (40, 78032), (64, 48770), (80, 39016), (128, 24385), (160, 19508), (320, 9754), (640, 4877)]