2008498180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{179651}}^1$

素因数の和:179716

約数の個数: 48

約数和(自身を含む): 4647956544

約数和(自身を除く): 2639458364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 179651, 359302, 718604, 898255, 1796510, 2335463, 3593020, 4670926, 7724993, 9341852, 11677315, 15449986, 23354630, 30899972, 38624965, 46709260, 77249930, 100424909, 154499860, 200849818, 401699636, 502124545, 1004249090, 2008498180]

約数ペア:

[(1, 2008498180), (2, 1004249090), (4, 502124545), (5, 401699636), (10, 200849818), (13, 154499860), (20, 100424909), (26, 77249930), (43, 46709260), (52, 38624965), (65, 30899972), (86, 23354630), (130, 15449986), (172, 11677315), (215, 9341852), (260, 7724993), (430, 4670926), (559, 3593020), (860, 2335463), (1118, 1796510), (2236, 898255), (2795, 718604), (5590, 359302), (11180, 179651)]