55490480

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 133678944

約数和(自身を除く): 78188464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 83, 122, 137, 166, 244, 274, 305, 332, 415, 488, 548, 610, 664, 685, 830, 976, 1096, 1220, 1328, 1370, 1660, 2192, 2440, 2740, 3320, 4880, 5063, 5480, 6640, 8357, 10126, 10960, 11371, 16714, 20252, 22742, 25315, 33428, 40504, 41785, 45484, 50630, 56855, 66856, 81008, 83570, 90968, 101260, 113710, 133712, 167140, 181936, 202520, 227420, 334280, 405040, 454840, 668560, 693631, 909680, 1387262, 2774524, 3468155, 5549048, 6936310, 11098096, 13872620, 27745240, 55490480]

約数ペア:

[(1, 55490480), (2, 27745240), (4, 13872620), (5, 11098096), (8, 6936310), (10, 5549048), (16, 3468155), (20, 2774524), (40, 1387262), (61, 909680), (80, 693631), (83, 668560), (122, 454840), (137, 405040), (166, 334280), (244, 227420), (274, 202520), (305, 181936), (332, 167140), (415, 133712), (488, 113710), (548, 101260), (610, 90968), (664, 83570), (685, 81008), (830, 66856), (976, 56855), (1096, 50630), (1220, 45484), (1328, 41785), (1370, 40504), (1660, 33428), (2192, 25315), (2440, 22742), (2740, 20252), (3320, 16714), (4880, 11371), (5063, 10960), (5480, 10126), (6640, 8357)]