84010280

素因数分解:

$2^3\times 5^1\times {\mathrm{2100257}}^1$

素因数の和:2100268

約数の個数: 16

約数和(自身を含む): 189023220

約数和(自身を除く): 105012940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2100257, 4200514, 8401028, 10501285, 16802056, 21002570, 42005140, 84010280]

約数ペア:

[(1, 84010280), (2, 42005140), (4, 21002570), (5, 16802056), (8, 10501285), (10, 8401028), (20, 4200514), (40, 2100257)]