10040090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 18954000

約数和(自身を除く): 8913910

約数列:

[1, 2, 5, 10, 29, 58, 89, 145, 178, 290, 389, 445, 778, 890, 1945, 2581, 3890, 5162, 11281, 12905, 22562, 25810, 34621, 56405, 69242, 112810, 173105, 346210, 1004009, 2008018, 5020045, 10040090]

約数ペア:

[(1, 10040090), (2, 5020045), (5, 2008018), (10, 1004009), (29, 346210), (58, 173105), (89, 112810), (145, 69242), (178, 56405), (290, 34621), (389, 25810), (445, 22562), (778, 12905), (890, 11281), (1945, 5162), (2581, 3890)]