26282780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 56899584

約数和(自身を除く): 30616804

約数列:

[1, 2, 4, 5, 10, 20, 71, 83, 142, 166, 223, 284, 332, 355, 415, 446, 710, 830, 892, 1115, 1420, 1660, 2230, 4460, 5893, 11786, 15833, 18509, 23572, 29465, 31666, 37018, 58930, 63332, 74036, 79165, 92545, 117860, 158330, 185090, 316660, 370180, 1314139, 2628278, 5256556, 6570695, 13141390, 26282780]

約数ペア:

[(1, 26282780), (2, 13141390), (4, 6570695), (5, 5256556), (10, 2628278), (20, 1314139), (71, 370180), (83, 316660), (142, 185090), (166, 158330), (223, 117860), (284, 92545), (332, 79165), (355, 74036), (415, 63332), (446, 58930), (710, 37018), (830, 31666), (892, 29465), (1115, 23572), (1420, 18509), (1660, 15833), (2230, 11786), (4460, 5893)]