12805702900

素因数分解:

$2^2\times 5^2\times {\mathrm{229}}^1\times {\mathrm{559201}}^1$

素因数の和:559444

約数の個数: 36

約数和(自身を含む): 27909771820

約数和(自身を除く): 15104068920

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 229, 458, 916, 1145, 2290, 4580, 5725, 11450, 22900, 559201, 1118402, 2236804, 2796005, 5592010, 11184020, 13980025, 27960050, 55920100, 128057029, 256114058, 512228116, 640285145, 1280570290, 2561140580, 3201425725, 6402851450, 12805702900]

約数ペア:

[(1, 12805702900), (2, 6402851450), (4, 3201425725), (5, 2561140580), (10, 1280570290), (20, 640285145), (25, 512228116), (50, 256114058), (100, 128057029), (229, 55920100), (458, 27960050), (916, 13980025), (1145, 11184020), (2290, 5592010), (4580, 2796005), (5725, 2236804), (11450, 1118402), (22900, 559201)]