16491760

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{977}}^1$

素因数の和:1201

約数の個数: 40

約数和(自身を含む): 38564496

約数和(自身を除く): 22072736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 977, 1055, 1688, 1954, 2110, 3376, 3908, 4220, 4885, 7816, 8440, 9770, 15632, 16880, 19540, 39080, 78160, 206147, 412294, 824588, 1030735, 1649176, 2061470, 3298352, 4122940, 8245880, 16491760]

約数ペア:

[(1, 16491760), (2, 8245880), (4, 4122940), (5, 3298352), (8, 2061470), (10, 1649176), (16, 1030735), (20, 824588), (40, 412294), (80, 206147), (211, 78160), (422, 39080), (844, 19540), (977, 16880), (1055, 15632), (1688, 9770), (1954, 8440), (2110, 7816), (3376, 4885), (3908, 4220)]