645087154640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{196672913}}^1$

素因数の和:196672967

約数の個数: 40

約数和(自身を含む): 1536408804168

約数和(自身を除く): 891321649528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 196672913, 393345826, 786691652, 983364565, 1573383304, 1966729130, 3146766608, 3933458260, 7866916520, 8063589433, 15733833040, 16127178866, 32254357732, 40317947165, 64508715464, 80635894330, 129017430928, 161271788660, 322543577320, 645087154640]

約数ペア:

[(1, 645087154640), (2, 322543577320), (4, 161271788660), (5, 129017430928), (8, 80635894330), (10, 64508715464), (16, 40317947165), (20, 32254357732), (40, 16127178866), (41, 15733833040), (80, 8063589433), (82, 7866916520), (164, 3933458260), (205, 3146766608), (328, 1966729130), (410, 1573383304), (656, 983364565), (820, 786691652), (1640, 393345826), (3280, 196672913)]