64300340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{247309}}^1$

素因数の和:247331

約数の個数: 24

約数和(自身を含む): 145418280

約数和(自身を除く): 81117940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 247309, 494618, 989236, 1236545, 2473090, 3215017, 4946180, 6430034, 12860068, 16075085, 32150170, 64300340]

約数ペア:

[(1, 64300340), (2, 32150170), (4, 16075085), (5, 12860068), (10, 6430034), (13, 4946180), (20, 3215017), (26, 2473090), (52, 1236545), (65, 989236), (130, 494618), (260, 247309)]