8556920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 20528640

約数和(自身を除く): 11971720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 71, 92, 115, 131, 142, 184, 230, 262, 284, 355, 460, 524, 568, 655, 710, 920, 1048, 1310, 1420, 1633, 2620, 2840, 3013, 3266, 5240, 6026, 6532, 8165, 9301, 12052, 13064, 15065, 16330, 18602, 24104, 30130, 32660, 37204, 46505, 60260, 65320, 74408, 93010, 120520, 186020, 213923, 372040, 427846, 855692, 1069615, 1711384, 2139230, 4278460, 8556920]

約数ペア:

[(1, 8556920), (2, 4278460), (4, 2139230), (5, 1711384), (8, 1069615), (10, 855692), (20, 427846), (23, 372040), (40, 213923), (46, 186020), (71, 120520), (92, 93010), (115, 74408), (131, 65320), (142, 60260), (184, 46505), (230, 37204), (262, 32660), (284, 30130), (355, 24104), (460, 18602), (524, 16330), (568, 15065), (655, 13064), (710, 12052), (920, 9301), (1048, 8165), (1310, 6532), (1420, 6026), (1633, 5240), (2620, 3266), (2840, 3013)]