47340880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 114166800

約数和(自身を除く): 66825920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 89, 109, 122, 178, 218, 244, 305, 356, 436, 445, 488, 545, 610, 712, 872, 890, 976, 1090, 1220, 1424, 1744, 1780, 2180, 2440, 3560, 4360, 4880, 5429, 6649, 7120, 8720, 9701, 10858, 13298, 19402, 21716, 26596, 27145, 33245, 38804, 43432, 48505, 53192, 54290, 66490, 77608, 86864, 97010, 106384, 108580, 132980, 155216, 194020, 217160, 265960, 388040, 434320, 531920, 591761, 776080, 1183522, 2367044, 2958805, 4734088, 5917610, 9468176, 11835220, 23670440, 47340880]

約数ペア:

[(1, 47340880), (2, 23670440), (4, 11835220), (5, 9468176), (8, 5917610), (10, 4734088), (16, 2958805), (20, 2367044), (40, 1183522), (61, 776080), (80, 591761), (89, 531920), (109, 434320), (122, 388040), (178, 265960), (218, 217160), (244, 194020), (305, 155216), (356, 132980), (436, 108580), (445, 106384), (488, 97010), (545, 86864), (610, 77608), (712, 66490), (872, 54290), (890, 53192), (976, 48505), (1090, 43432), (1220, 38804), (1424, 33245), (1744, 27145), (1780, 26596), (2180, 21716), (2440, 19402), (3560, 13298), (4360, 10858), (4880, 9701), (5429, 8720), (6649, 7120)]