40816460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1531}}^1$

素因数の和:1614

約数の個数: 48

約数和(自身を含む): 90596352

約数和(自身を除く): 49779892

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1333, 1531, 2666, 3062, 5332, 6124, 6665, 7655, 13330, 15310, 26660, 30620, 47461, 65833, 94922, 131666, 189844, 237305, 263332, 329165, 474610, 658330, 949220, 1316660, 2040823, 4081646, 8163292, 10204115, 20408230, 40816460]

約数ペア:

[(1, 40816460), (2, 20408230), (4, 10204115), (5, 8163292), (10, 4081646), (20, 2040823), (31, 1316660), (43, 949220), (62, 658330), (86, 474610), (124, 329165), (155, 263332), (172, 237305), (215, 189844), (310, 131666), (430, 94922), (620, 65833), (860, 47461), (1333, 30620), (1531, 26660), (2666, 15310), (3062, 13330), (5332, 7655), (6124, 6665)]