40724890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1518

約数の個数: 32

約数和(自身を含む): 76204800

約数和(自身を除く): 35479910

約数列:

[1, 2, 5, 10, 41, 71, 82, 142, 205, 355, 410, 710, 1399, 2798, 2911, 5822, 6995, 13990, 14555, 29110, 57359, 99329, 114718, 198658, 286795, 496645, 573590, 993290, 4072489, 8144978, 20362445, 40724890]

約数ペア:

[(1, 40724890), (2, 20362445), (5, 8144978), (10, 4072489), (41, 993290), (71, 573590), (82, 496645), (142, 286795), (205, 198658), (355, 114718), (410, 99329), (710, 57359), (1399, 29110), (2798, 14555), (2911, 13990), (5822, 6995)]