2226640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2141}}^1$

素因数の和:2167

約数の個数: 40

約数和(自身を含む): 5577768

約数和(自身を除く): 3351128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2141, 4282, 8564, 10705, 17128, 21410, 27833, 34256, 42820, 55666, 85640, 111332, 139165, 171280, 222664, 278330, 445328, 556660, 1113320, 2226640]

約数ペア:

[(1, 2226640), (2, 1113320), (4, 556660), (5, 445328), (8, 278330), (10, 222664), (13, 171280), (16, 139165), (20, 111332), (26, 85640), (40, 55666), (52, 42820), (65, 34256), (80, 27833), (104, 21410), (130, 17128), (208, 10705), (260, 8564), (520, 4282), (1040, 2141)]