71026390

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{26209}}^1$

素因数の和:26487

約数の個数: 16

約数和(自身を含む): 128324160

約数和(自身を除く): 57297770

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 26209, 52418, 131045, 262090, 7102639, 14205278, 35513195, 71026390]

約数ペア:

[(1, 71026390), (2, 35513195), (5, 14205278), (10, 7102639), (271, 262090), (542, 131045), (1355, 52418), (2710, 26209)]