25676660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 55862352

約数和(自身を除く): 30185692

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 173, 181, 205, 346, 362, 410, 692, 724, 820, 865, 905, 1730, 1810, 3460, 3620, 7093, 7421, 14186, 14842, 28372, 29684, 31313, 35465, 37105, 62626, 70930, 74210, 125252, 141860, 148420, 156565, 313130, 626260, 1283833, 2567666, 5135332, 6419165, 12838330, 25676660]

約数ペア:

[(1, 25676660), (2, 12838330), (4, 6419165), (5, 5135332), (10, 2567666), (20, 1283833), (41, 626260), (82, 313130), (164, 156565), (173, 148420), (181, 141860), (205, 125252), (346, 74210), (362, 70930), (410, 62626), (692, 37105), (724, 35465), (820, 31313), (865, 29684), (905, 28372), (1730, 14842), (1810, 14186), (3460, 7421), (3620, 7093)]