40128790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13421}}^1$

素因数の和:13464

約数の個数: 32

約数和(自身を含む): 81176256

約数和(自身を除く): 41047466

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 13421, 26842, 67105, 134210, 174473, 308683, 348946, 617366, 872365, 1543415, 1744730, 3086830, 4012879, 8025758, 20064395, 40128790]

約数ペア:

[(1, 40128790), (2, 20064395), (5, 8025758), (10, 4012879), (13, 3086830), (23, 1744730), (26, 1543415), (46, 872365), (65, 617366), (115, 348946), (130, 308683), (230, 174473), (299, 134210), (598, 67105), (1495, 26842), (2990, 13421)]