216087560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{415553}}^1$

素因数の和:415577

約数の個数: 32

約数和(自身を含む): 523598040

約数和(自身を除く): 307510480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 415553, 831106, 1662212, 2077765, 3324424, 4155530, 5402189, 8311060, 10804378, 16622120, 21608756, 27010945, 43217512, 54021890, 108043780, 216087560]

約数ペア:

[(1, 216087560), (2, 108043780), (4, 54021890), (5, 43217512), (8, 27010945), (10, 21608756), (13, 16622120), (20, 10804378), (26, 8311060), (40, 5402189), (52, 4155530), (65, 3324424), (104, 2077765), (130, 1662212), (260, 831106), (520, 415553)]