201790720

素因数分解:

$2^8\times 5^1\times {\mathrm{157649}}^1$

素因数の和:157670

約数の個数: 36

約数和(自身を含む): 483354900

約数和(自身を除く): 281564180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 157649, 315298, 630596, 788245, 1261192, 1576490, 2522384, 3152980, 5044768, 6305960, 10089536, 12611920, 20179072, 25223840, 40358144, 50447680, 100895360, 201790720]

約数ペア:

[(1, 201790720), (2, 100895360), (4, 50447680), (5, 40358144), (8, 25223840), (10, 20179072), (16, 12611920), (20, 10089536), (32, 6305960), (40, 5044768), (64, 3152980), (80, 2522384), (128, 1576490), (160, 1261192), (256, 788245), (320, 630596), (640, 315298), (1280, 157649)]