40405480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1187}}^1$

素因数の和:1258

約数の個数: 64

約数和(自身を含む): 97511040

約数和(自身を除く): 57105560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 740, 851, 920, 1187, 1480, 1702, 2374, 3404, 4255, 4748, 5935, 6808, 8510, 9496, 11870, 17020, 23740, 27301, 34040, 43919, 47480, 54602, 87838, 109204, 136505, 175676, 218408, 219595, 273010, 351352, 439190, 546020, 878380, 1010137, 1092040, 1756760, 2020274, 4040548, 5050685, 8081096, 10101370, 20202740, 40405480]

約数ペア:

[(1, 40405480), (2, 20202740), (4, 10101370), (5, 8081096), (8, 5050685), (10, 4040548), (20, 2020274), (23, 1756760), (37, 1092040), (40, 1010137), (46, 878380), (74, 546020), (92, 439190), (115, 351352), (148, 273010), (184, 219595), (185, 218408), (230, 175676), (296, 136505), (370, 109204), (460, 87838), (740, 54602), (851, 47480), (920, 43919), (1187, 34040), (1480, 27301), (1702, 23740), (2374, 17020), (3404, 11870), (4255, 9496), (4748, 8510), (5935, 6808)]