849558580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{24943}}^1$

素因数の和:25096

約数の個数: 48

約数和(自身を含む): 1936053504

約数和(自身を除く): 1086494924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1703, 2620, 3406, 6812, 8515, 17030, 24943, 34060, 49886, 99772, 124715, 249430, 324259, 498860, 648518, 1297036, 1621295, 3242590, 3267533, 6485180, 6535066, 13070132, 16337665, 32675330, 42477929, 65350660, 84955858, 169911716, 212389645, 424779290, 849558580]

約数ペア:

[(1, 849558580), (2, 424779290), (4, 212389645), (5, 169911716), (10, 84955858), (13, 65350660), (20, 42477929), (26, 32675330), (52, 16337665), (65, 13070132), (130, 6535066), (131, 6485180), (260, 3267533), (262, 3242590), (524, 1621295), (655, 1297036), (1310, 648518), (1703, 498860), (2620, 324259), (3406, 249430), (6812, 124715), (8515, 99772), (17030, 49886), (24943, 34060)]