38820418520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{375149}}^1$

素因数の和:375372

約数の個数: 64

約数和(自身を含む): 94537800000

約数和(自身を除く): 55717381480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 199, 260, 398, 520, 796, 995, 1592, 1990, 2587, 3980, 5174, 7960, 10348, 12935, 20696, 25870, 51740, 103480, 375149, 750298, 1500596, 1875745, 3001192, 3751490, 4876937, 7502980, 9753874, 15005960, 19507748, 24384685, 39015496, 48769370, 74654651, 97538740, 149309302, 195077480, 298618604, 373273255, 597237208, 746546510, 970510463, 1493093020, 1941020926, 2986186040, 3882041852, 4852552315, 7764083704, 9705104630, 19410209260, 38820418520]

約数ペア:

[(1, 38820418520), (2, 19410209260), (4, 9705104630), (5, 7764083704), (8, 4852552315), (10, 3882041852), (13, 2986186040), (20, 1941020926), (26, 1493093020), (40, 970510463), (52, 746546510), (65, 597237208), (104, 373273255), (130, 298618604), (199, 195077480), (260, 149309302), (398, 97538740), (520, 74654651), (796, 48769370), (995, 39015496), (1592, 24384685), (1990, 19507748), (2587, 15005960), (3980, 9753874), (5174, 7502980), (7960, 4876937), (10348, 3751490), (12935, 3001192), (20696, 1875745), (25870, 1500596), (51740, 750298), (103480, 375149)]