202011520

素因数分解:

$2^7\times 5^1\times {\mathrm{315643}}^1$

素因数の和:315662

約数の個数: 32

約数和(自身を含む): 482935320

約数和(自身を除く): 280923800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 315643, 631286, 1262572, 1578215, 2525144, 3156430, 5050288, 6312860, 10100576, 12625720, 20201152, 25251440, 40402304, 50502880, 101005760, 202011520]

約数ペア:

[(1, 202011520), (2, 101005760), (4, 50502880), (5, 40402304), (8, 25251440), (10, 20201152), (16, 12625720), (20, 10100576), (32, 6312860), (40, 5050288), (64, 3156430), (80, 2525144), (128, 1578215), (160, 1262572), (320, 631286), (640, 315643)]