218045360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209659}}^1$

素因数の和:209685

約数の個数: 40

約数和(自身を含む): 545954640

約数和(自身を除く): 327909280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 209659, 419318, 838636, 1048295, 1677272, 2096590, 2725567, 3354544, 4193180, 5451134, 8386360, 10902268, 13627835, 16772720, 21804536, 27255670, 43609072, 54511340, 109022680, 218045360]

約数ペア:

[(1, 218045360), (2, 109022680), (4, 54511340), (5, 43609072), (8, 27255670), (10, 21804536), (13, 16772720), (16, 13627835), (20, 10902268), (26, 8386360), (40, 5451134), (52, 4193180), (65, 3354544), (80, 2725567), (104, 2096590), (130, 1677272), (208, 1048295), (260, 838636), (520, 419318), (1040, 209659)]