67839460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{260921}}^1$

素因数の和:260943

約数の個数: 24

約数和(自身を含む): 153422136

約数和(自身を除く): 85582676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 260921, 521842, 1043684, 1304605, 2609210, 3391973, 5218420, 6783946, 13567892, 16959865, 33919730, 67839460]

約数ペア:

[(1, 67839460), (2, 33919730), (4, 16959865), (5, 13567892), (10, 6783946), (13, 5218420), (20, 3391973), (26, 2609210), (52, 1304605), (65, 1043684), (130, 521842), (260, 260921)]