201338840

素因数分解:

$2^3\times 5^1\times {\mathrm{1619}}^1\times {\mathrm{3109}}^1$

素因数の和:4739

約数の個数: 32

約数和(自身を含む): 453438000

約数和(自身を除く): 252099160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1619, 3109, 3238, 6218, 6476, 8095, 12436, 12952, 15545, 16190, 24872, 31090, 32380, 62180, 64760, 124360, 5033471, 10066942, 20133884, 25167355, 40267768, 50334710, 100669420, 201338840]

約数ペア:

[(1, 201338840), (2, 100669420), (4, 50334710), (5, 40267768), (8, 25167355), (10, 20133884), (20, 10066942), (40, 5033471), (1619, 124360), (3109, 64760), (3238, 62180), (6218, 32380), (6476, 31090), (8095, 24872), (12436, 16190), (12952, 15545)]