16205480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21323}}^1$

素因数の和:21353

約数の個数: 32

約数和(自身を含む): 38383200

約数和(自身を除く): 22177720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 21323, 42646, 85292, 106615, 170584, 213230, 405137, 426460, 810274, 852920, 1620548, 2025685, 3241096, 4051370, 8102740, 16205480]

約数ペア:

[(1, 16205480), (2, 8102740), (4, 4051370), (5, 3241096), (8, 2025685), (10, 1620548), (19, 852920), (20, 810274), (38, 426460), (40, 405137), (76, 213230), (95, 170584), (152, 106615), (190, 85292), (380, 42646), (760, 21323)]