204568780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{786803}}^1$

素因数の和:786825

約数の個数: 24

約数和(自身を含む): 462640752

約数和(自身を除く): 258071972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 786803, 1573606, 3147212, 3934015, 7868030, 10228439, 15736060, 20456878, 40913756, 51142195, 102284390, 204568780]

約数ペア:

[(1, 204568780), (2, 102284390), (4, 51142195), (5, 40913756), (10, 20456878), (13, 15736060), (20, 10228439), (26, 7868030), (52, 3934015), (65, 3147212), (130, 1573606), (260, 786803)]