200513920

素因数分解:

$2^7\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1811}}^1$

素因数の和:2003

約数の個数: 64

約数和(自身を含む): 482390640

約数和(自身を除く): 281876720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 320, 346, 640, 692, 865, 1384, 1730, 1811, 2768, 3460, 3622, 5536, 6920, 7244, 9055, 11072, 13840, 14488, 18110, 22144, 27680, 28976, 36220, 55360, 57952, 72440, 110720, 115904, 144880, 231808, 289760, 313303, 579520, 626606, 1159040, 1253212, 1566515, 2506424, 3133030, 5012848, 6266060, 10025696, 12532120, 20051392, 25064240, 40102784, 50128480, 100256960, 200513920]

約数ペア:

[(1, 200513920), (2, 100256960), (4, 50128480), (5, 40102784), (8, 25064240), (10, 20051392), (16, 12532120), (20, 10025696), (32, 6266060), (40, 5012848), (64, 3133030), (80, 2506424), (128, 1566515), (160, 1253212), (173, 1159040), (320, 626606), (346, 579520), (640, 313303), (692, 289760), (865, 231808), (1384, 144880), (1730, 115904), (1811, 110720), (2768, 72440), (3460, 57952), (3622, 55360), (5536, 36220), (6920, 28976), (7244, 27680), (9055, 22144), (11072, 18110), (13840, 14488)]