2051280530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{5237}}^1$

素因数の和:5411

約数の個数: 64

約数和(自身を含む): 4181683968

約数和(自身を除く): 2130403438

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 131, 230, 262, 299, 598, 655, 1310, 1495, 1703, 2990, 3013, 3406, 5237, 6026, 8515, 10474, 15065, 17030, 26185, 30130, 39169, 52370, 68081, 78338, 120451, 136162, 195845, 240902, 340405, 391690, 602255, 680810, 686047, 1204510, 1372094, 1565863, 3131726, 3430235, 6860470, 7829315, 8918611, 15658630, 15779081, 17837222, 31558162, 44593055, 78895405, 89186110, 157790810, 205128053, 410256106, 1025640265, 2051280530]

約数ペア:

[(1, 2051280530), (2, 1025640265), (5, 410256106), (10, 205128053), (13, 157790810), (23, 89186110), (26, 78895405), (46, 44593055), (65, 31558162), (115, 17837222), (130, 15779081), (131, 15658630), (230, 8918611), (262, 7829315), (299, 6860470), (598, 3430235), (655, 3131726), (1310, 1565863), (1495, 1372094), (1703, 1204510), (2990, 686047), (3013, 680810), (3406, 602255), (5237, 391690), (6026, 340405), (8515, 240902), (10474, 195845), (15065, 136162), (17030, 120451), (26185, 78338), (30130, 68081), (39169, 52370)]