2019550040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1\times {\mathrm{2411}}^1$

素因数の和:2952

約数の個数: 64

約数和(自身を含む): 4661141760

約数和(自身を除く): 2641591720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 487, 860, 974, 1720, 1948, 2411, 2435, 3896, 4822, 4870, 9644, 9740, 12055, 19288, 19480, 20941, 24110, 41882, 48220, 83764, 96440, 103673, 104705, 167528, 207346, 209410, 414692, 418820, 518365, 829384, 837640, 1036730, 1174157, 2073460, 2348314, 4146920, 4696628, 5870785, 9393256, 11741570, 23483140, 46966280, 50488751, 100977502, 201955004, 252443755, 403910008, 504887510, 1009775020, 2019550040]

約数ペア:

[(1, 2019550040), (2, 1009775020), (4, 504887510), (5, 403910008), (8, 252443755), (10, 201955004), (20, 100977502), (40, 50488751), (43, 46966280), (86, 23483140), (172, 11741570), (215, 9393256), (344, 5870785), (430, 4696628), (487, 4146920), (860, 2348314), (974, 2073460), (1720, 1174157), (1948, 1036730), (2411, 837640), (2435, 829384), (3896, 518365), (4822, 418820), (4870, 414692), (9644, 209410), (9740, 207346), (12055, 167528), (19288, 104705), (19480, 103673), (20941, 96440), (24110, 83764), (41882, 48220)]