1554163480

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{38971}}^1$

素因数の和:39979

約数の個数: 32

約数和(自身を含む): 3500465040

約数和(自身を除く): 1946301560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1994, 3988, 4985, 7976, 9970, 19940, 38971, 39880, 77942, 155884, 194855, 311768, 389710, 779420, 1558840, 38854087, 77708174, 155416348, 194270435, 310832696, 388540870, 777081740, 1554163480]

約数ペア:

[(1, 1554163480), (2, 777081740), (4, 388540870), (5, 310832696), (8, 194270435), (10, 155416348), (20, 77708174), (40, 38854087), (997, 1558840), (1994, 779420), (3988, 389710), (4985, 311768), (7976, 194855), (9970, 155884), (19940, 77942), (38971, 39880)]