28263640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37189}}^1$

素因数の和:37219

約数の個数: 32

約数和(自身を含む): 66942000

約数和(自身を除く): 38678360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 37189, 74378, 148756, 185945, 297512, 371890, 706591, 743780, 1413182, 1487560, 2826364, 3532955, 5652728, 7065910, 14131820, 28263640]

約数ペア:

[(1, 28263640), (2, 14131820), (4, 7065910), (5, 5652728), (8, 3532955), (10, 2826364), (19, 1487560), (20, 1413182), (38, 743780), (40, 706591), (76, 371890), (95, 297512), (152, 185945), (190, 148756), (380, 74378), (760, 37189)]