42129040

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 101712240

約数和(自身を除く): 59583200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 89, 97, 122, 178, 194, 244, 305, 356, 388, 445, 485, 488, 610, 712, 776, 890, 970, 976, 1220, 1424, 1552, 1780, 1940, 2440, 3560, 3880, 4880, 5429, 5917, 7120, 7760, 8633, 10858, 11834, 17266, 21716, 23668, 27145, 29585, 34532, 43165, 43432, 47336, 54290, 59170, 69064, 86330, 86864, 94672, 108580, 118340, 138128, 172660, 217160, 236680, 345320, 434320, 473360, 526613, 690640, 1053226, 2106452, 2633065, 4212904, 5266130, 8425808, 10532260, 21064520, 42129040]

約数ペア:

[(1, 42129040), (2, 21064520), (4, 10532260), (5, 8425808), (8, 5266130), (10, 4212904), (16, 2633065), (20, 2106452), (40, 1053226), (61, 690640), (80, 526613), (89, 473360), (97, 434320), (122, 345320), (178, 236680), (194, 217160), (244, 172660), (305, 138128), (356, 118340), (388, 108580), (445, 94672), (485, 86864), (488, 86330), (610, 69064), (712, 59170), (776, 54290), (890, 47336), (970, 43432), (976, 43165), (1220, 34532), (1424, 29585), (1552, 27145), (1780, 23668), (1940, 21716), (2440, 17266), (3560, 11834), (3880, 10858), (4880, 8633), (5429, 7760), (5917, 7120)]