86581420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{64613}}^1$

素因数の和:64689

約数の個数: 24

約数和(自身を含む): 184537584

約数和(自身を除く): 97956164

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 64613, 129226, 258452, 323065, 646130, 1292260, 4329071, 8658142, 17316284, 21645355, 43290710, 86581420]

約数ペア:

[(1, 86581420), (2, 43290710), (4, 21645355), (5, 17316284), (10, 8658142), (20, 4329071), (67, 1292260), (134, 646130), (268, 323065), (335, 258452), (670, 129226), (1340, 64613)]