50766640

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 122331456

約数和(自身を除く): 71564816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 101, 103, 122, 202, 206, 244, 305, 404, 412, 488, 505, 515, 610, 808, 824, 976, 1010, 1030, 1220, 1616, 1648, 2020, 2060, 2440, 4040, 4120, 4880, 6161, 6283, 8080, 8240, 10403, 12322, 12566, 20806, 24644, 25132, 30805, 31415, 41612, 49288, 50264, 52015, 61610, 62830, 83224, 98576, 100528, 104030, 123220, 125660, 166448, 208060, 246440, 251320, 416120, 492880, 502640, 634583, 832240, 1269166, 2538332, 3172915, 5076664, 6345830, 10153328, 12691660, 25383320, 50766640]

約数ペア:

[(1, 50766640), (2, 25383320), (4, 12691660), (5, 10153328), (8, 6345830), (10, 5076664), (16, 3172915), (20, 2538332), (40, 1269166), (61, 832240), (80, 634583), (101, 502640), (103, 492880), (122, 416120), (202, 251320), (206, 246440), (244, 208060), (305, 166448), (404, 125660), (412, 123220), (488, 104030), (505, 100528), (515, 98576), (610, 83224), (808, 62830), (824, 61610), (976, 52015), (1010, 50264), (1030, 49288), (1220, 41612), (1616, 31415), (1648, 30805), (2020, 25132), (2060, 24644), (2440, 20806), (4040, 12566), (4120, 12322), (4880, 10403), (6161, 8240), (6283, 8080)]