16667960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5869}}^1$

素因数の和:5951

約数の個数: 32

約数和(自身を含む): 38037600

約数和(自身を除く): 21369640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 5869, 11738, 23476, 29345, 46952, 58690, 117380, 234760, 416699, 833398, 1666796, 2083495, 3333592, 4166990, 8333980, 16667960]

約数ペア:

[(1, 16667960), (2, 8333980), (4, 4166990), (5, 3333592), (8, 2083495), (10, 1666796), (20, 833398), (40, 416699), (71, 234760), (142, 117380), (284, 58690), (355, 46952), (568, 29345), (710, 23476), (1420, 11738), (2840, 5869)]