84385540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79609}}^1$

素因数の和:79671

約数の個数: 24

約数和(自身を含む): 180555480

約数和(自身を除く): 96169940

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 79609, 159218, 318436, 398045, 796090, 1592180, 4219277, 8438554, 16877108, 21096385, 42192770, 84385540]

約数ペア:

[(1, 84385540), (2, 42192770), (4, 21096385), (5, 16877108), (10, 8438554), (20, 4219277), (53, 1592180), (106, 796090), (212, 398045), (265, 318436), (530, 159218), (1060, 79609)]