16546840

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{829}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 37350000

約数和(自身を除く): 20803160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 829, 998, 1658, 1996, 2495, 3316, 3992, 4145, 4990, 6632, 8290, 9980, 16580, 19960, 33160, 413671, 827342, 1654684, 2068355, 3309368, 4136710, 8273420, 16546840]

約数ペア:

[(1, 16546840), (2, 8273420), (4, 4136710), (5, 3309368), (8, 2068355), (10, 1654684), (20, 827342), (40, 413671), (499, 33160), (829, 19960), (998, 16580), (1658, 9980), (1996, 8290), (2495, 6632), (3316, 4990), (3992, 4145)]