214815280

素因数分解:

$2^4\times 5^1\times {\mathrm{2685191}}^1$

素因数の和:2685204

約数の個数: 20

約数和(自身を含む): 499445712

約数和(自身を除く): 284630432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2685191, 5370382, 10740764, 13425955, 21481528, 26851910, 42963056, 53703820, 107407640, 214815280]

約数ペア:

[(1, 214815280), (2, 107407640), (4, 53703820), (5, 42963056), (8, 26851910), (10, 21481528), (16, 13425955), (20, 10740764), (40, 5370382), (80, 2685191)]