55172780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{212203}}^1$

素因数の和:212225

約数の個数: 24

約数和(自身を含む): 124775952

約数和(自身を除く): 69603172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 212203, 424406, 848812, 1061015, 2122030, 2758639, 4244060, 5517278, 11034556, 13793195, 27586390, 55172780]

約数ペア:

[(1, 55172780), (2, 27586390), (4, 13793195), (5, 11034556), (10, 5517278), (13, 4244060), (20, 2758639), (26, 2122030), (52, 1061015), (65, 848812), (130, 424406), (260, 212203)]