817490020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{771217}}^1$

素因数の和:771279

約数の個数: 24

約数和(自身を含む): 1749122424

約数和(自身を除く): 931632404

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 771217, 1542434, 3084868, 3856085, 7712170, 15424340, 40874501, 81749002, 163498004, 204372505, 408745010, 817490020]

約数ペア:

[(1, 817490020), (2, 408745010), (4, 204372505), (5, 163498004), (10, 81749002), (20, 40874501), (53, 15424340), (106, 7712170), (212, 3856085), (265, 3084868), (530, 1542434), (1060, 771217)]