40412905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:841

約数の個数: 32

約数和(自身を含む): 56327040

約数和(自身を除く): 15914135

約数列:

[1, 5, 13, 19, 43, 65, 95, 215, 247, 559, 761, 817, 1235, 2795, 3805, 4085, 9893, 10621, 14459, 32723, 49465, 53105, 72295, 163615, 187967, 425399, 621737, 939835, 2126995, 3108685, 8082581, 40412905]

約数ペア:

[(1, 40412905), (5, 8082581), (13, 3108685), (19, 2126995), (43, 939835), (65, 621737), (95, 425399), (215, 187967), (247, 163615), (559, 72295), (761, 53105), (817, 49465), (1235, 32723), (2795, 14459), (3805, 10621), (4085, 9893)]