15987460

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{9631}}^1$

素因数の和:9723

約数の個数: 24

約数和(自身を含む): 33981696

約数和(自身を除く): 17994236

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 9631, 19262, 38524, 48155, 96310, 192620, 799373, 1598746, 3197492, 3996865, 7993730, 15987460]

約数ペア:

[(1, 15987460), (2, 7993730), (4, 3996865), (5, 3197492), (10, 1598746), (20, 799373), (83, 192620), (166, 96310), (332, 48155), (415, 38524), (830, 19262), (1660, 9631)]