40909040

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 98806176

約数和(自身を除く): 57897136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 83, 101, 122, 166, 202, 244, 305, 332, 404, 415, 488, 505, 610, 664, 808, 830, 976, 1010, 1220, 1328, 1616, 1660, 2020, 2440, 3320, 4040, 4880, 5063, 6161, 6640, 8080, 8383, 10126, 12322, 16766, 20252, 24644, 25315, 30805, 33532, 40504, 41915, 49288, 50630, 61610, 67064, 81008, 83830, 98576, 101260, 123220, 134128, 167660, 202520, 246440, 335320, 405040, 492880, 511363, 670640, 1022726, 2045452, 2556815, 4090904, 5113630, 8181808, 10227260, 20454520, 40909040]

約数ペア:

[(1, 40909040), (2, 20454520), (4, 10227260), (5, 8181808), (8, 5113630), (10, 4090904), (16, 2556815), (20, 2045452), (40, 1022726), (61, 670640), (80, 511363), (83, 492880), (101, 405040), (122, 335320), (166, 246440), (202, 202520), (244, 167660), (305, 134128), (332, 123220), (404, 101260), (415, 98576), (488, 83830), (505, 81008), (610, 67064), (664, 61610), (808, 50630), (830, 49288), (976, 41915), (1010, 40504), (1220, 33532), (1328, 30805), (1616, 25315), (1660, 24644), (2020, 20252), (2440, 16766), (3320, 12322), (4040, 10126), (4880, 8383), (5063, 8080), (6161, 6640)]