2019965680

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{476407}}^1$

素因数の和:476473

約数の個数: 40

約数和(自身を含む): 4785041952

約数和(自身を除く): 2765076272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 476407, 952814, 1905628, 2382035, 3811256, 4764070, 7622512, 9528140, 19056280, 25249571, 38112560, 50499142, 100998284, 126247855, 201996568, 252495710, 403993136, 504991420, 1009982840, 2019965680]

約数ペア:

[(1, 2019965680), (2, 1009982840), (4, 504991420), (5, 403993136), (8, 252495710), (10, 201996568), (16, 126247855), (20, 100998284), (40, 50499142), (53, 38112560), (80, 25249571), (106, 19056280), (212, 9528140), (265, 7622512), (424, 4764070), (530, 3811256), (848, 2382035), (1060, 1905628), (2120, 952814), (4240, 476407)]