81302030

素因数分解:

$2^1\times 5^1\times {\mathrm{2029}}^1\times {\mathrm{4007}}^1$

素因数の和:6043

約数の個数: 16

約数和(自身を含む): 146452320

約数和(自身を除く): 65150290

約数列:

[1, 2, 5, 10, 2029, 4007, 4058, 8014, 10145, 20035, 20290, 40070, 8130203, 16260406, 40651015, 81302030]

約数ペア:

[(1, 81302030), (2, 40651015), (5, 16260406), (10, 8130203), (2029, 40070), (4007, 20290), (4058, 20035), (8014, 10145)]