2173840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{937}}^1$

素因数の和:979

約数の個数: 40

約数和(自身を含む): 5234040

約数和(自身を除く): 3060200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 937, 1160, 1874, 2320, 3748, 4685, 7496, 9370, 14992, 18740, 27173, 37480, 54346, 74960, 108692, 135865, 217384, 271730, 434768, 543460, 1086920, 2173840]

約数ペア:

[(1, 2173840), (2, 1086920), (4, 543460), (5, 434768), (8, 271730), (10, 217384), (16, 135865), (20, 108692), (29, 74960), (40, 54346), (58, 37480), (80, 27173), (116, 18740), (145, 14992), (232, 9370), (290, 7496), (464, 4685), (580, 3748), (937, 2320), (1160, 1874)]