2080853800

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{146539}}^1$

素因数の和:146626

約数の個数: 48

約数和(自身を含む): 4906159200

約数和(自身を除く): 2825305400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2840, 3550, 7100, 14200, 146539, 293078, 586156, 732695, 1172312, 1465390, 2930780, 3663475, 5861560, 7326950, 10404269, 14653900, 20808538, 29307800, 41617076, 52021345, 83234152, 104042690, 208085380, 260106725, 416170760, 520213450, 1040426900, 2080853800]

約数ペア:

[(1, 2080853800), (2, 1040426900), (4, 520213450), (5, 416170760), (8, 260106725), (10, 208085380), (20, 104042690), (25, 83234152), (40, 52021345), (50, 41617076), (71, 29307800), (100, 20808538), (142, 14653900), (200, 10404269), (284, 7326950), (355, 5861560), (568, 3663475), (710, 2930780), (1420, 1465390), (1775, 1172312), (2840, 732695), (3550, 586156), (7100, 293078), (14200, 146539)]