39919910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{127}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 78506496

約数和(自身を除く): 38586586

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 127, 170, 215, 254, 430, 635, 731, 1270, 1462, 1849, 2159, 3655, 3698, 4318, 5461, 7310, 9245, 10795, 10922, 18490, 21590, 27305, 31433, 54610, 62866, 92837, 157165, 185674, 234823, 314330, 464185, 469646, 928370, 1174115, 2348230, 3991991, 7983982, 19959955, 39919910]

約数ペア:

[(1, 39919910), (2, 19959955), (5, 7983982), (10, 3991991), (17, 2348230), (34, 1174115), (43, 928370), (85, 469646), (86, 464185), (127, 314330), (170, 234823), (215, 185674), (254, 157165), (430, 92837), (635, 62866), (731, 54610), (1270, 31433), (1462, 27305), (1849, 21590), (2159, 18490), (3655, 10922), (3698, 10795), (4318, 9245), (5461, 7310)]