16991680

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1831}}^1$

素因数の和:1877

約数の個数: 56

約数和(自身を含む): 41879520

約数和(自身を除く): 24887840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1831, 1856, 2320, 3662, 4640, 7324, 9155, 9280, 14648, 18310, 29296, 36620, 53099, 58592, 73240, 106198, 117184, 146480, 212396, 265495, 292960, 424792, 530990, 585920, 849584, 1061980, 1699168, 2123960, 3398336, 4247920, 8495840, 16991680]

約数ペア:

[(1, 16991680), (2, 8495840), (4, 4247920), (5, 3398336), (8, 2123960), (10, 1699168), (16, 1061980), (20, 849584), (29, 585920), (32, 530990), (40, 424792), (58, 292960), (64, 265495), (80, 212396), (116, 146480), (145, 117184), (160, 106198), (232, 73240), (290, 58592), (320, 53099), (464, 36620), (580, 29296), (928, 18310), (1160, 14648), (1831, 9280), (1856, 9155), (2320, 7324), (3662, 4640)]