55559720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 131725440

約数和(自身を除く): 76165720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 131, 184, 230, 262, 460, 461, 524, 655, 920, 922, 1048, 1310, 1844, 2305, 2620, 3013, 3688, 4610, 5240, 6026, 9220, 10603, 12052, 15065, 18440, 21206, 24104, 30130, 42412, 53015, 60260, 60391, 84824, 106030, 120520, 120782, 212060, 241564, 301955, 424120, 483128, 603910, 1207820, 1388993, 2415640, 2777986, 5555972, 6944965, 11111944, 13889930, 27779860, 55559720]

約数ペア:

[(1, 55559720), (2, 27779860), (4, 13889930), (5, 11111944), (8, 6944965), (10, 5555972), (20, 2777986), (23, 2415640), (40, 1388993), (46, 1207820), (92, 603910), (115, 483128), (131, 424120), (184, 301955), (230, 241564), (262, 212060), (460, 120782), (461, 120520), (524, 106030), (655, 84824), (920, 60391), (922, 60260), (1048, 53015), (1310, 42412), (1844, 30130), (2305, 24104), (2620, 21206), (3013, 18440), (3688, 15065), (4610, 12052), (5240, 10603), (6026, 9220)]